| Chinese | English |
| 一机双能的 | dual-capable |
| 三余度双故障工作系统 | triple-dual-single |
| 三冗余双故障工作系统 | triple-dual-single |
| 不接双星 | detached binary |
| 主控双稳态 | master bistable |
| 二进制双相调制 | binary biphase modulation (传递 GPS 信号的相位调制技术) |
| 交联双基 | XLDB linked double base (推进剂) |
| 交联双基 | XLDB cross-linking double base (推进剂) |
| 交联双基 | cross-linked double base (推进剂) |
| 交联双基 | cross-linking double base (推进剂) |
| 交联双基推进剂 | crosslinked double-base propellant |
| 交联改性双基推进剂 | cross-linked double base propellant |
| 光学双星 | optical double star |
| 光学双稳态器件 | optical bistable device |
| 全双向多普勒 | full two-way Doppler |
| 全双工 | full-duplex (通信链路的两端能同时发送或接收数据的一种工作方式) |
| 全双工专用链路 | full duplex dedicated link |
| 全双工主站 | full-duplex primary station |
| 全双工字符传输 | full-duplex character transmission |
| 全双工的 | full duplex |
| 全双工终端 | full-duplex terminal |
| 全双工链路 | full-duplex link |
| 全氢双 | perhydrodi (一种合成高密度烃燃料) |
| 全称为大学卫星应用于双极晶体管辐射试验 | radiation on bipolar test for university satellite application (法国技术试验纳卫星) |
| 兼容双工系统 | compatible duplex system |
| 准双曲面的 | hypoid |
| 分布式队列双总线 | distributed queue dual bus |
| 半双向 | half duplex |
| 半双向字符传输 | half-duplex character transmission |
| 半双向操作 | half-duplex operation |
| 半双向服务 | half-duplex service |
| 半双向线路 | half-duplex circuit |
| 半双工 | half-duplex (双向数据通信的一种通信方式) |
| 半双工链路 | half-duplex link |
| 半接双星 | semi-detached binary |
| 单刀双掷 | single-pole double-throw |
| 单刀双掷开关 | single pole double throw switch |
| 单室双推力发动机 | single-chamber dual-thrust motor |
| 单室双推力固体火箭发动机 | single chamber dual thrust solid rocket motor |
| 单室双推力火箭发动机 | single chamber dual thrust rocket engine |
| 单室双级离心喷嘴 | mono-chamber double-stage centrifugal injector |
| 单谱分光双星 | single-line spectroscopic binary |
| 单谱分光双星 | single spectrum binary |
| 单轴双陀螺稳定平台 | single axis two-gyro stabilized platform |
| 单音双字母的 | digraph |
| 卫星双向定时法 | two-way satellite timing method |
| 卫星双向时间频率传递 | two way satellite time frequency transfer (法国，卫星导航的一种时间同步技术) |
| 压延双基 | extruded double base (推进剂) |
| 压延双基推进剂 | extruded double base propellant |
| 双三极管 | duotriode |
| 双三极管 | double triode |
| 双三次卷积 | bi-cubic convolution |
| 双三次卷积法 | bi-cubic convolution method (遥感图像的一种几何校正方法) |
| 双主轴柔性组合机床 | double-spindle flexible modular machine tool |
| 双2,2-二硝基丙基乙缩醛 | bis2,2-dinitropropenyl aldehyde acetal |
| 双二极管 | double-diode |
| 双二次的 | biquadratic |
| 双二甲基硅烷 | biscarboxyphenyl dimethylsilane |
| 双伴音电视 | TV with dual sound programmes |
| 双位喷管 | two-position nozzle |
| 双余度惯性测量组件 | dual-redundant inertial measurement unit |
| 双余度故障自动修正致动器 | double fail-correcting actuator |
| 双余度故障自动断开致动器 | dual fail-off actuator |
| 双余度数据总线 | dual-redundant data bus |
| 双余辉 | dual persistence |
| 双倍字长 | double-length |
| 双倍字长 | double word length |
| 双倍密度记录 | double-density recording |
| 双倍精度 | double precision |
| 双元铷蒸气磁强计 | double-cell magnetometer |
| 双元件传感器 | dual-element transducer |
| 双元銣蒸汽磁强计 | dual-cell rubidium magnetometer |
| 双光子吸收 | two-photon absorption |
| 双光子荧光法 | two-photon fluorescence method |
| 双光导摄像管 | bivicon |
| 双光束干涉分光计 | twin-beam interference spectrometer |
| 双光谱辐射和太阳常量卫星 | dual-spectral irradiance and solar constant orbiter (西欧天文卫星) |
| 双光谱辐射和太阳常量轨道器 | dual spectral irradiance and solar constant orbiter (西欧太阳天文卫星) |
| 双共振 | double resonance |
| 双刀单掷开关 | double-pole single-throw switch |
| 双刀双掷 | double pole double throw |
| 双刀开关 | double-pole switch |
| 双刀开关 | double-break switch |
| 双刃的 | double-edged |
| 双分子反应定律 | bimolecular law |
| 双分子反应机理 | bimolecular mechanism |
| 双分雷达 | bistatic radar (收发分设在两处的雷达) |
| 双列直插封装 | dual in-line package |
| 双列直插式封装 | dual inline package (集成电路的一种封装方式) |
| 双列直插式组件 | double in-line package |
| 双列直插式组件 | dual in-line package |
| 双刻度 | double scale |
| 双剂加注 | double-propellant filling |
| 双剪切的 | double-shear |
| 双匝环天线 | double loop antenna |
| 双单频信号测试技术 | two tone test techniques |
| 双卷式太阳能电池阵 | double roll-out solar array |
| 双同步通信 | binary synchronous Communication |
| 双向 | duplex (的) |
| 双向 | bi-directional |
| 双向载波频率捕获 | double direction frequency acquisition |
| 双向三端可控硅开关 | triode for alternating current (元件) |
| 双向三端晶闸管 | triode for alternating current |
| 双向二极管 | bidirectional diode |
| 双向交互业务 | two-way interactive service |
| 双向产生式系统 | bidirectional production system |
| 双向传感器 | bidirectional transducer |
| 双向传播延时 | two-way propagation delay |
| 双向传输延时 | two-way transmission delay |
| 双向伺服机构 | bilateral servomechanism |
| 双向作用 | bilateration |
| 双向作用的 | double-acting |
| 双向光纤链路 | round-trip fiber-optic link |
| 双向光行时间 | round-trip light time |
| 双向加速度计 | dual accelerometer |
| 双向匹配 | bilateral matching |
| 双向反射分布函数 | bidirectional reflectance distribution function |
| 双向反射比因子 | bi-directional reflection factor |
| 双向反射跟踪 | two-way skin tracking |
| 双向变换器 | bilateral transducer |
| 双向变磁阻传感器 | bidirectional variable reluctance transducer |
| 双向可展开天线 | two dimensionally deployable antenna |
| 双向同时传输 | simultaneous two-way transmission |
| 双向多媒体卫星通信 | bidirectional multimedia satellite communication |
| 双向天线 | bidirectional antenna |
| 双向小波变换 | bi-directional wavelet transform |
| 双向开关 | double-throw switch |
| 双向感测器 | bidirectional transducer |
| 双向手动人工控制 | bilateral manual control |
| 双向扫描 | bidirectional scanning |
| 双向换能器 | bidirectional transducer |
| 双向换能器 | bidirectional bilateral transducer |
| 双向推力滚珠轴承 | double direction thrust ball bearing |
| 双向推理 | bidirection reasoning |
| 双向数据链路 | two way data link |
| 双向无线电通信 | two way radio communication |
| 双向时间传递 | two-way time transfer |
| 双向晶闸管 | bidirectional thyristor |
| 双向流量传感器 | two-direction flow transducer |
| 双向电流 | duodirectional current |
| 双向电流 | bidirectional current |
| 双向电磁阀门 | double acting electromagnetic valve |
| 双向硅对称开关 | biswitch |
| 双向耦合器 | duplex coupler |
| 双向行为 | biphasic behavior |
| 双向距离变化率测量 | two-way range rate measurement |
| 双向跟踪 | two-way tracking |
| 双向载波捕获 | two-way carrier acquisition |
| 双向输送通道 | dual feed channel |
| 双向通信 | two-directional communication |
| 双向通信 | bidirectional communication |
| 双向限幅器 | clipper-limiter |
| 双向预测帧 | bidirectionally predictive coded frame |
| 双听觉 | binaural |
| 双圆导航 | rho-rho navigation |
| 双圆锥扫描仪 | dual cone scanner (一种改进的巴恩斯圆锥敏感器) |
| 双坐标跟踪 | two-coordinate tracking |
| 双处理器程序 | dual processor program |
| 双重备份 | dual redundant |
| 双外延晶体管 | double-epitaxial transistor |
| 双多谐振荡器 | duplex multivibrator |
| 双天线射电干涉仪 | two-element radio interferometer |
| 双子星 | Gemini (美国载人飞船) |
| 双子星工程 | Gemini project (美国载人飞船工程) |
| 双子星座-大力神 | Gemini Titan |
| 双子星座飞船试验 | Gemini test |
| 双子星飞船 | Gemini spacecraft |
| 双子星飞船交会雷达 | Gemini spacecraft rendezvous radar |
| 双子星飞船惯性制导系统 | Gemini inertial guidance system |
| 双孔密封方法 | double bore sealing system (分段壳体的) |
| 双字命令 | double word command |
| 双字母组合 | digram |
| 双字界 | double word boundary |
| 双字符分界符 | double character delimiter |
| 双字符符号 | double character symbol |
| 双字长运算 | double word length arithmetic |
| 双字长运算 | double length arithmetic |
| 双射电源 | double radio source |
| 双射程安全数据系统 | dual range safety data system |
| 双尖点 | dual cusp |
| 双尺度律 | binary scaling law |
| 双层 | two-ply |
| 双层型纤维 | double-layer fibre |
| 双层外壳 | double sheath |
| 双层底式贮箱 | double base tank |
| 双层拦截 | double-layer interception |
| 双层燃烧 | dual-burn |
| 双层环形警戒雷达系统 | double perimeter radar system |
| 双层环形防空系统 | double perimeter defense system |
| 双层甲板的 | double-decked |
| 双层的 | double-layer |
| 双层的 | bilayered |
| 双层缓冲防护屏 | double bumper shield |
| 双层网格防护屏 | mesh double bumper shield |
| 双层舱板的 | double-decked |
| 双层镀铝聚酯薄膜 | double aluminized mylar |
| 双常平架陀螺 | two-frame gyroscope |
| 双幅值 | peak to peak value |
| 双幅值 | double amplitude |
| 双幅度峰值 | double amplitude peak |
| 双平衡混合器 | double balanced mixer |
| 数学的双平面 | biplane |
| 双平面制导 | double-plane guidance |
| 双平面角反射器结构 | dihedral corner structure |
| 双异质结激光器 | double heterojunction laser |
| 双弧临界电流 | critical current of double arcing |
| 双弧焊 | twin arc welding |
| 双弹制导系统 | dual-missile system (同时制导两枚导弹的) |
| 双弹运输车 | double missile transport vehicle |
| 双形反射器 | dual-shape reflector |
| 双态变数 | binary-state variable |
| 双态形变 | bimodal deformation |
| 双扁锥形装药 | dual flattened-cone charge |
| 双扩散 | double diffusion |
| 双扩散型 MOS 集成电路 | dual diffused MOS integrated circuit |
| 双扩散金属氧化物半导体 | double diffused MOS |
| 双指数波形 | double exponential waveform |
| 双摆 | double pendulum |
| 天文的双星 | binary |
| 双星 | double stars |
| 双星 | Double Star satellite (中国与欧洲空间局合作研制的日地空间探测卫星) |
| 双星 | binary star |
| 双星制导 | two-star guidance |
| 双星卫星 | Double Star satellite |
| 双星发射 | dual-satellite launch (一枚火箭发射两颗卫星) |
| 双星发射 | dual-satellite launch (一枚运载火箭发射两颗卫星) |
| 双星发射 | dual launch |
| 双星发射的 | double-launch (一枚火箭发射两颗卫星) |
| 双星天文惯性制导系统 | two-star stellar inertial guidance system |
| 双星定位卫星 | dual-positioning satellite |
| 双星定位通信系统 | twin-satellite position determination and communication system |
| 双星导航 | two-star navigation |
| 双星计划 | Double Star Project (中国与欧洲空间局合作的) |
| 双晶的,同质二形的 | dimorphic |
| 双晶体 | bicrystal |
| 双晶现象 | dimorphism |
| 双有效载荷连接件 | dual payload attach fitting |
| 双机械手机器人卫星 | dual manipulator robot satellite |
| 双机系统 | duplex system |
| 双板式移相器 | twin-slab phase shifter |
| 双极功放晶体管 | bipolar power transistor |
| 双极化 | dual polarization |
| 双极化天线 | dual-polarized antenna |
| 双极化天线 | dual polarized antenna |
| 双极单投开关 | double-pole single-throw switch |
| 双极坐标 | bipolar coordinates |
| 双极型电池 | bipolar cell |
| 双极性晶体管 | bipolar transistor |
| 双极性波形 | bipolar waveform |
| 双极性的 | bipolar |
| 双极性的 | ambipolar ambiguity |
| 双极性码 | bipolar code |
| 双极性编码 | bipolar coding |
| 双极性视频 | bipolar video (信号) |
| 双极极板 | bipolar electrode |
| 双极点滤波器 | double pole filter |
| 双极硅晶体管 | silicon bipolar transistor |
| 双极越限 | bipolar violation |
| 双极镍氢蓄电池 | bipolar nickel/hydrogen battery |
| 双极黑子 | bipolar sunspot |
| 双栅反射器 | dual-grid reflector |
| 双栅反射面天线 | dual grided reflector antenna |
| 双栅场效应管 | dual gate FET |
| 双栅场效管 | dual gate field effect transistor |
| 双栅天线 | dual-grid antenna |
| 双标温度表 | dual thermometer |
| 双校验 | twicheck |
| 双样本分析 | two-sample analysis |
| 双框式惯性导航系统 | 2 Gins (俗称) |
| 双框架动量轮 | double-gimbaled momentum wheel |
| 双框架控制力矩陀螺 | double-gimbaled control moment gyro |
| 双框架陀螺仪 | two-gimbal gyroscope |
| 双框架陀螺仪 | two-frame gyroscope |
| 双框架飞轮 | double gimbal wheel |
| 双椭圆过渡轨道 | bielliptic transfer trajectory |
| 双模 | dual-mode |
| 双模复式导引头 | dual-mode seeker (红外及雷达两种制导系统并用的) |
| 双模喇叭 | dual-mode horn |
| 双模干扰 | dual mode jamming |
| 双模干扰机 | dual mode jammer |
| 双模式应急动力装置 | dual-mode EPU |
| 双模式推进系统 | dual mode propulsion system |
| 双模式火箭发动机 | dual mode rocket engine |
| 双模控制 | two-mode control |
| 双模移相器 | dual-mode phaser |
| 双模终端 | dual-mode terminal |
| 双模行波管 | dual mode traveling wave tube |
| 双正交信号 | biorthogonal signals |
| 双正弦调制 | double sinusoidal modulation |
| 双气动操纵面伺服机放大器 | dual aerosurface servo amplifier |
| 双流路燃烧室 | double stream passage combustion chamber |
| 双流路燃烧室 | double stream combustion chamber |
| 双流路燃烧室 | double flow combustion chamber |
| 双涂层体系 | dual-coating system |
| 双用途 | dual-purpose |
| 双甲基磷化氧 | bis-p-carboxyphenyl-methylphosphine oxide |
| 双甲烷 | bispara-carboxyphenyl methane |
| 双2,2-二硝基丙基甲缩醛 | bis2,2-dinitropropenyl formaldehyde acetal |
| 双电嘴点火 | twin ignition |
| 双电嘴点火 | dual ignition |
| 双电层电容器 | double electric layer capacitor |
| 双电平数字信号 | bi-level digital signal |
| 双电离 | double ionization |
| 双电缆制 | twin-cable system |
| 双电路微处理机 | two circuit microprocessor |
| 双的 | binary |
| 双眼视力 | binocular visual acuity |
| 双2,2,2-三硝基乙基硝胺 | bis2,2,2-ditrinitroethyl nitramine |
| 双程台卡导航系统 | two range Decca |
| 双稳态冲压发动机 | dual mode ramjet engine |
| 双稳态场效应管 | bistable field-effect transistor |
| 双稳态电磁螺线阀 | bistable solenoid valve |
| 双稳态磷光屏存储器 | bistable phosphor storage |
| 双稳态触发器 | flip-flop |
| 双稳电路 | toggle |
| 双稳装置 | bistable device |
| 双稳触发器 | toggle flip-flop |
| 双稳触发电路 | bistable trigger-action circuit |
| 双等离子流发生器 | duoplasmatron |
| 双等离子管 | duoplasmatron |
| 双筒天体照相仪 | double astrograph |
| 双筒望远镜 | binocular |
| 双筒的 | binocular |
| 双缝热管 | dual-slot heat pipe |
| 双缝磁头 | dual-gap head |
| 双2-氟-2,2-二硝基乙基缩甲醛 | bis2-fluoro-2,2-dinitroethyl formal |
| 头戴双耳耳机 | biphone |
| 双联加速度表 | dual accelerometer |
| 双联助推器 | paired booster |
| 双联发射装置 | dual launching device |
| 双联电容器 | two-gang condenser |
| 双联电容器 | double capacitor |
| 双聚焦质谱仪 | double focusing mass spectrometer |
| 双脉冲 | dipulse |
| 双脉冲发动机 | dual pulse motor |
| 双脉冲测距 | double pulse ranging |
| 双腔红宝石脉泽 | dual-cavity ruby maser |
| 双色制导 | double-colour guidance |
| 双色导引头 | double-colour seeker |
| 双色干扰显示器 | two-colour ECM display |
| 双色的 | duo-tone |
| 双色红外制导系统 | double-color infrared guidance system |
| 双色高温计 | two-colour pyrometer (用两种波长测量) |
| 双节扼流圈 | two section choke coil |
| 双节滤波器 | two-section filter |
| 双覆盖区 | double coverage area |
| 双谐振 | double resonance |
| 双谐的 | biharmonic |
| 双谱分光双星 | two-spectra binary |
| 双谱分光双星 | double-line spectroscopic binary |
| 双谱段红外探测卫星 | bispectral IR detector (德国小型遥感卫星) |
| 双赢 | both sides ben efit |
| 双踪示波器 | dual-beam oscilloscope |
| 双轨制 | two-tiered system |
| 双轨制 | double-track system |
| 双轨接头 | dual rail adapter (一个挂架挂两枚空空导弹用的) |
| 双轨接头 | dual-rail adapter (能使一个飞机挂架挂两枚空空导弹的接头) |
| 双转子 | twin-spool (发动机) |
| 双转子压气机 | dual compressor |
| 双转子气动陀螺 | double rotor pneumatic gyro |
| 双软盘控制器 | dual floppy-disc controller |
| 双软盘机 | dual diskette drive |
| 双软盘驱动器 | dual diskette drive |
| 双轴双通道自动驾驶仪 | two-axis automatic pilot |
| 双轴伺服试验 | twin axis servo test |
| 双轴切变 | biaxial shear |
| 双轴加速度计 | two-axis accelerometer |
| 双轴压气机 | dual compressor |
| 双轴压缩机发动机 | split-compressor engine |
| 双轴向加载 | biaxial loading |
| 双轴向蠕变 | biaxial creep |
| 双轴太阳敏感器 | dual axis sun sensors |
| 双轴太阳电池阵驱动机构 | biaxial SADM (航天器的) |
| 双轴定向系统 | two-axis pointing system |
| 双轴寻的头 | two-axis homing head (导弹的) |
| 双轴性 | biaxiality |
| 双轴拉伸 | biaxial extension |
| 双轴拉伸 | biaxial drawing |
| 双轴水平测量仪 | double axle leveller |
| 双轴涡轮喷气发动机 | dtrd (俄文首字母缩写英译) |
| 双轴涡轮喷气发动机 | biaxial turbojet engine |
| 双轴的 | twin-shaft |
| 双轴稳定平台 | two axis stable platform |
| 双轴缺口板条试样 | notched biaxial strip specimen |
| 双轴自导引头 | two-axis homing head |
| 双轴蠕变 | biaxial creep |
| 双轴跟踪天线 | dual-axis tracking antenna |
| 双轴速率传感器 | dual-axis rate transducer |
| 双轴速率陀螺仪 | dual axis rate gyroscope |
| 双轴速率陀螺仪 | double axis rate gyro |
| 双轴陀螺稳定平台 | twin axis-gyro-stabilized platform |
| 双轴陀螺稳定平台 | bi-axis gyrostabilized platform |
| 双通道 | dual channel |
| 双通道信道 | binary channel |
| 双通道光学引信 | two channel optical fuze |
| 双通道光学引信 | bichannel optical fuze |
| 双通道单脉冲 | two channel monopulse |
| 双通道单脉冲雷达接收机 | dual channel monopulse radar receiver |
| 双通道存取 | dual port access |
| 双通道控制系统 | double channel control system |
| 双通道系统 | dual-channel system |
| 双通道跟踪体制 | double-channel tracking system |
| 双速月球定位照相仪 | dual-rate lunar position camera |
| 双速磁传感器 | dual-speed magnetic transducer |
| 双酚 A | p,p'-bisphenyl phenol A |
| 双酚 A 二甘醇醚 | diglycidyl ether of bisphenol A |
| 双酚 A、2、2-双对羟苯基丙烷 | bisphenol A |
| 双酚 A 环氧化物 | bisphenol A epoxide |
| 双酚A二缩水甘油醚 | diglycidyl ether of bisphenol A |
| 双锥区 | double-cone (天线) |
| 双锥天线 | biconical antenna |
| 双锥形头部 | biconic nose |
| 双镜头摄像机 | bicamera |
| 双镜筒瞄准具 | binocular sight (肩射导弹或车载导弹的) |
| 双阶位相 | biphase |
| 双陀螺平台 | twin-gyro platform |
| 双陀螺稳定平台 | two-gyro platform |
| 双面 | Flat Twin (雷达，苏联反弹道导弹 X-3 跟踪雷达的北约代名) |
| 双面印制电路板 | double-sided printed circuit board |
| 双面板 | double sided board |
| 双面的 | double-faced |
| 双面积喷管 | dual-area nozzle |
| 双面细磨 | two-sided lapping |
| 双面进气压气机 | double-entry compressor (离心式) |
| 双面镀铝聚酯薄膜 | double aluminized mylar |
| 双频 | dual frequency |
| 双频多普勒校准 | dual-frequency Doppler calibration |
| 双频接收机 | dual frequency receiver |
| 双频本振 | double local oscillator |
| 双频段制导雷达 | dual band guidance radar |
| 双频段单脉冲 | dual-band monopulse |
| 双频测速仪 | dual frequency ranging rate measurement equipment |
| 双频电源 | two-frequency supply |
| 双频道双工通信 | double channel duplex |
| 双频锁相接收机 | dual frequency phase locked receiver |
| 双频降雨雷达 | dual frequency precipitation radar |
| 双马来酰亚胺树脂 | bismaleimide resin |
| 双马来酰亚胺 | bismaleimide (材料) |
| 双马来酰亚胺 | bimaleimide |
| 双马来酰亚胺共聚物 | bismaleimide copolymers |
| 双马来酰亚胺树脂 | bismaleimide (一种耐高温树脂胶) |
| 含铝交联双基推进剂 | aluminized cross-linked DB propellant |
| Ka 和 X 双频段跟踪雷达 | tracking radar at Ka and X bands (美国海军) |
| 圆一双曲线系统 | circle-hyperbolic system |
| 复合双基 | composite double base (推进剂) |
| propellant复合双基推进剂 | composite double base |
| 复合双基推进剂 | composite double-base propellant |
| 复合改性双基 | composite modified double base (推进剂) |
| 复合改性双基推进剂 | composite modified double-base propellant |
| 复合改性双基推进剂 | composite modified double base propellant |
| 复合改性浇铸双基 | composite modified cast double base (推进剂) |
| 外混合双组元离心喷嘴 | swirling injecting element with outside mixing |
| 多通道相减式双透过光谱仪 | multichannel subtractive double pass spectrograph |
| 天测双星 | astrometric binary |
| 寄存双倍精度 | load double precision (指令) |
| 密近双星 | close binary star |
| X 射线双星 | binary X-ray source |
| 带加力的双轴涡轮喷气发动机 | DTRDF (俄文首字母缩写英译) |
| 常规双重滤过 | double-filtration |
| 干涉双星 | interferometric binary |
| 弹性体改性双基 | elastomer modified cast double base (推进剂) |
| 弹性体改进浇注双基推进剂 | elastomer-modified cast double-base propellant |
| 扁双自旋体 | oblate dual spinner |
| 振型-射线双重线 | mode-ray duality |
| 改性双基 | modified double base (propellant, 推进剂) |
| 改性双基推进剂 | modified double-base propellant (复合改性双基药) |
| 改性双基推进剂 | composite modified double-base propellant |
| 有效双字单元 | effective double-word location |
| 极化双工器 | polarization diplexer |
| 正反转双风扇 | counterrotating fan |
| 浇铸双基推进剂 | cast double base propellant |
| 浇铸双基火箭推进剂 | cast double-base (rocket propellant) |
| 浇铸复合改性双基推进剂 | cast composite modified double base propellant |
| 测光双星 | photometric binary |
| 物理双星 | physical double star |
| 环氧树脂型双折射涂层 | epoxy-type birefringent coating |
| 球柱面双凸透镜 | spherocylindrical lenticular |
| 电场致双折射 | electric birefringence |
| 电子双共振谱 | electron double resonance spectroscopy (学) |
| 电子-核双共振 | electron-nuclear double resonance |
| 电子核子双共振谱 | electron nuclear double resonance spectroscopy (学) |
| 电控双折射模式 | electrically controlled birefringence mode |
| 真双星 | physical double star |
| 碳/双马来酰亚胺复合材料 | carbon/BMI composite |
| 紫外-红外双色双模导引头 | ultraviolet-infrared double-colour two-mode seeker |
| 红外一激光半主动双导引头复合制导系统 | infrared-laser semi-active double homer combined guidance system |
| 聚对苯撑苯并双恶唑 | poly p-phenylene benzobisoxazole |
| 聚氨基双马来酰亚胺 | polyaminobismaleimide |
| 肖特基双极译码器 | Schottky bipolar decoder |
| 脉冲双星 | binary pulsar |
| 视双星 | optical double star |
| 视双星 | optical double |
| 负双折射 | negative birefringence |
| 赋形双反射面天线 | dual shaped reflector antenna |
| 超扭曲双折射效应 | supertwisted birefringent effect |
| 逆双工电路 | inverse duplex circuit |
| 阿里安 4火箭双星发射系统 | Structure Porteuse Externe Pour Lancement Double Ariane (西欧) |
| 阿里安火箭双星发射系统 | Systeme de Lancement Double Ariane (欧洲，法文) |
| 静电双探针 | electrostatic double probe |
| 非循环双图形 | acyclic diagraph |
