| English | Chinese |
| absorption ratio | 吸收率系数 |
| absorptivity emissivity ratio | 吸收辐射能之比 |
| absorptivity emissivity ratio | 吸收发放比 |
| A/F ratio | 空燃比 |
| A/F RATIO | 测试仪字符空燃比 |
| air fuel ratio | 空燃比 |
| air fuel ratio control valve | 空燃比控制阀 |
| air ratio | 进气系统空气/燃油比 |
| air stoichiometric ratio | 空气过量系数 |
| air utilization ratio | 发动机空气利用率 |
| air-fuel equivalence ratio | 空气燃油当量比 |
| air-fuel equivalence ratio | 空气-燃油当量比 |
| air-fuel mixture ratio | 空燃混合比 |
| air-fuel mixture ratio | 空燃比 |
| air-fuel ratio | 实际空燃比气缸内实际存留的空气质量与实际存留的燃料质量之比 |
| air-fuel ratio | 空燃比 |
| air-fuel ratio compensation system | 空燃比修正装置使空燃比适应于排气催化转化器的工作需要 |
| air-fuel ratio control | 空燃比控制 |
| air/fuel ratio sensor | 空燃比传感器 |
| amplification rate ratio | 放大率 |
| amplitude ratio | 振幅比率 |
| amplitude ratio | 幅度比 |
| angle ratio | 转向系统角传动比 |
| area ratio of combustion chamber passage | 发动机燃烧室通道面积比 |
| aspect ratio | 长度直径比 |
| aspect ratio | 扁平率 |
| aspect ratio | 轮胎断面高宽比 |
| aspect ratio | 轮胎高宽比 |
| assist ratio of power steering | 动力转向助力比 |
| automatic overdrive electronic wide ratio transmission | 带超速档的宽速比自动变速器 |
| axle gear ratio | 驱动轴减速比从动大锥齿轮与主动小锥齿轮之减速比 |
| axle gear ratio | 主传动比 |
| axle ratio | 驱动桥主减速比 |
| axle ratio | 驱动轴桥减速比 |
| axle reduction ratio | 驱动桥减速比 |
| axle-drive ratio | 驱动桥速比 |
| axle-load ratio | 轴荷比 |
| base ratio | 传动系统主减速比 |
| base ratio | 基本比率 |
| benefit-cost ratio | 成本率 |
| bias ratio | 转移系数 |
| bias ratio | 偏移置率 |
| bias ratio | 差速器转矩分配比 |
| bore stroke ratio | 缸径行程比 |
| brake balance ratio | 制动力分配比率 |
| brake transmission ratio | 制动传动比 |
| brake-force distribution ratio | 制动力分配比 |
| braking ratio | 制动力分配比 |
| braking-force ratio | 制动力比各车轮制动减速力之和除以车辆或列车总重 |
| brightness ratio | 光亮比 |
| burned gas ratio | 已燃废气百分率 |
| burned gas ratio | 废气率 |
| bus stops call at ratio | 定站停靠率 |
| cam mechanism for ratio changing | 变比凸轮机构 |
| capacitive ratio regulation | 排放测试容量比规定排气中有害成分按容量计算出浓度的有关限制规定 |
| capture ratio | 接收比率 |
| capture ratio | 无线电俘获比 |
| change gear for ratio changing | 变比交换齿轮 |
| change-gear ratio | 变速比 |
| charge ratio | 充量比 |
| charge ratio | 充气量系数 |
| charging-pressure ratio | 发动机增压比 |
| close ratio gearbox | 密齒比變速箱 |
| close-ratio gearboxtransmission | 各档传动比相差不大的密速比变速器 |
| closed ratio | 密集相差不大的变速比 |
| clutch lever ratio | 离合器杠杆比离合器分离轴承的行程与离合器压板脱离距离之比 |
| compression ratio | 发动机压缩比率 |
| connecting rod ratio | 曲柄连杆比 |
| constant air-fuel ratio | 恒定空燃比 |
| contact ratio | 轮胎接地面积比 |
| contact ratio | 接触比率 |
| continuously variable ratio transmission | 无级调速变速器 |
| continuously variable ratio transmission | 无级变速器 |
| contrast ratio | 对比率度系数 |
| controlled A/F ratio carburetor | 可控空燃比化油器 |
| conversion ratio | 变矩器转换比系数 |
| converter torque ratio | 液力变矩器变矩比 |
| cooling ratio | 冷却系统数 |
| correlation ratio | 相关比率 |
| crank to connecting rod length ratio | 曲柄连杆比 |
| crankcase compression ratio | 二冲程汽油机曲轴箱压缩比 |
| crankcase precompression ratio | 二冲程发动机曲轴箱预压缩比 |
| crank-radius to connecting-rod-length ratio | 曲柄连杆比曲柄半径与连杆长度之比 |
| critical compression ratio | 发动机临界压缩比 |
| cross gear ratio | 变速器相近的各级齿轮速比 |
| cross ratio | 交叉比各级齿轮比相近的机械结构，参阅 cross gear ratio |
| cycle ratio | 疲劳试验循环次数比 |
| cycle ratio | 周期比见 GB/T 2035-2008 中 2.51 |
| cylinder-bore-stroke ratio | 缸径-行程比 |
| damped overload ratio | 液力传动制动过载系数 |
| delivered air-fuel ratio | 供给空燃比 |
| delivery ratio | 充气比气缸供气质量比该气缸容积的大气密度时的质量 |
| delivery ratio | 二冲程发动机扫气比 |
| delivery ratio | 供气比 |
| diameter ratio | 内外径比径 |
| differential ratio | 主差速器传动比 |
| differential ratio | 主降速比 |
| differential ratio | 差动比 |
| diluent gas ratio | 稀释燃气比 |
| dilution ratio | 排气分析稀释率比 |
| discrimination ratio | 判別,识别率 |
| distribution ratio | 分配比系数 |
| drive axle ratio | 驱动桥减速传动比 |
| drive-axle ratio | 驱动桥减速比 |
| drive-line ratio | 传动系统速比发动机轴转速与车轮转速之比 |
| dry f/a ratio | 干空燃比 |
| dual-ratio | 双速比的 |
| dual-ratio | 传动系统/变速器双高/低传动比区间的 |
| dual-ratio axle | 双速比驱动桥 |
| dual-ratio rear axle | 双速比后桥 |
| dwell ratio | 间断比 |
| economical mixture ratio | 发动机经济混合比 |
| efficiency scavenged area ratio | 扫气面积比 |
| emission ratio | 排放比 |
| emissivity ratio | 吸收辐射能之比 |
| emissivity ratio | 吸收发放比 |
| endurance ratio | 疲劳强度极限与静载荷下抗断强度极限之比 |
| energy-to-mass ratio | 能量/质量比 |
| equal-ratio | 等价比 |
| equal-ratio oxygen | 检测仪字符氧传感器电压变动等价比 |
| equivalence ratio | 混合气当量比 |
| exhaust expansion ratio through turbine | 涡轮膨胀比 |
| exhaust-gas recirculation ratio | 再循环排气率 |
| exhaust-gas recirculation ratio | 排气再循环率 |
| expansion ratio | 膨胀比活塞在上止点的间隙容积与活塞在下止点时的总容积之比 |
| fatigue ratio | 疲劳耐久比 |
| feedback system for controlling air/fuel ratios | 空燃比反馈控制系统 |
| filtration ratio | 滤清器滤清率 |
| fin al-drive ratioreduction | 传动系统最终主传动减速比 |
| final axle ratio | 主传动减速比 |
| final drive ratio | 主传动比 |
| final gear ratio | 主减速器传动比 |
| final ratio | 主传动比 |
| final reduction ratio | 传动系统最终减速比 |
| final-drive gear ratio | 传动系统最终主减速器传动比 |
| fixed ratio | 固定比差率 |
| fixed-ratio power steering | 固定传动比的动力转向机构 |
| fixed-ratio transmission | 有级变速器 |
| flame speed ratio | 火焰传播速率 |
| floating lever ratio | 浮动杠杆比 |
| flow symmetry ratio | 流量对称比 |
| fluctuate ratio | 波动比 |
| footprint aspect ratio | 轮胎印痕长宽比 |
| forward gear ratio | 前进档速比 |
| frequency ratio | 频率数比 |
| fuel adhesion compensating air-fuel ratio controller | 本田公司首先推出燃油粘附补偿空燃比控制器 |
| fuel air ratio | 混合气的燃油空气混合比 |
| fuel air ratio | 燃空比 |
| fuel uneven ratio | 喷油泵油量不均度 |
| fuel-air ratio dry | 干燃空比 |
| fuel-air ratio dry | 干空燃比 |
| fuel-consumption ratio | 燃料消耗率 |
| gear ratio | 变速器速比 |
| gear ratio step | 变速器速比梯度级差 |
| geometrical compression ratio | 几何压缩比 |
| glazing floor ratio | 窗口与地板面积比 |
| glazing floor ratio | 车身窗地比 |
| governor lever ratio | 调速器杠杆比 |
| heat utilization ratio | 内燃机热量利用率 |
| height-to-diameter ratio | 高度与直径之比 |
| high ratio compact chamber | 紧凑型燃烧室 |
| high-ratio steering | 转向系统高大传动比转向 |
| high-compression ratio | 发动机高压缩比 |
| highest useful compression ratio | 发动机最高有效压缩比 |
| holding ratio | 保持率 |
| ideal braking ratio | 理想制动比 |
| ideal compression ratio | 发动机理想压缩比 |
| injector sensor pulse duty ratio | 检测站用语喷油占空比 |
| in-use monitor performance ratio | 监视器性能使用率 |
| knock limited compression ratio | 爆燃极限压缩比 |
| leanest A/F ratio for best torque | 最佳大转矩时的最稀混合气大空燃比 |
| leanest A/F ratio for best torque | 最佳转矩时最大稀空燃比 |
| lean-mixture ratio | 稀混合比 |
| lifter-drag ratio | 举阻比 |
| limiting drawing ratio | 极限拉深率延比 |
| line ratio | 传动驱动系速比发动机曲轴转速与车轮转速之比 |
| linear-angle ratio of steering gear | 转向器线角传动比 |
| link ratio | 杠杆效率杠杆机构中输入动量与输出动量之比 |
| link ratio | 链系比 |
| load ratio | 车辆负荷比每轴分布负荷与车辆质量之比 |
| lock ratio | 锁止系数 |
| low compression ratio | 发动机低压缩比 |
| low-ratio steering | 直接转向器构 |
| low-ratio steering | 转向系统低传动比转向机构 |
| lower limit ratio | 下限比差 |
| male-to-female ratio | 男女比例 |
| mass distribution ratio | 前轴/后轴质量分配比 |
| mass power ratio | 质量功率比 |
| max wheel drag ratio | 检测站用语整车最大阻滞率 |
| maximum gear ratio | 最大传动比 |
| meshing ratio | 齿轮/链条啮合比系数 |
| mixture ratio | 发动机混合比气浓度 |
| mixture ratio | 混合比气浓度 |
| mixture ratio of fuel to oil | 二冲程发动机燃油与机油混合比 |
| mole mixture ratio | 发动机摩尔混合比 |
| mole ratio of solute | B 溶质 B 的摩尔比 |
| negative ratio | 负比率轮胎胎冠花纹槽所占面积与胎冠面积的比率 |
| nominal aspect ratio | 轮胎名义高宽比 |
| nover ratio | 车轮转速与车速之比 |
| OL EQ RATIO | 诊断仪字符开环等价比相当于入值，闭环时为1.0,开环时会大于1.0或小于1.0 |
| OL EQ RATIO | 开环等价比相当于λ值，闭环时为1.0,开环时会大于1.0或小于1.0 |
| operation ratio | 营运率 |
| orifice throat ratio | 孔道比 |
| overall air/fuel ratio | 总空燃比 |
| overall gear ratio | 总速比 |
| overall gear ratio | 总传动比 |
| overall ratio | 传动系统总传动比 |
| overall steering ratio | 转向系统总传动比 |
| overall top gear ratio | 最高档总速比 |
| overdrive ratio | 超速传动比 |
| overlap ratio | 纵向重合度 |
| overlapping ratio | 碰撞试验重叠率 |
| overload ratio | 过载系数 |
| pantograph ratio mechanism | 比例机构 |
| pantograph ratio range | 刻模比例范围 |
| payload ratio | 有效载荷与车辆总载质量之比 |
| peak-to-slide ratio | 峰值滑移比率轮胎峰值摩擦系数与滑动摩擦系数之比 |
| pedal ratio | 踏板的杠杆比踏板到支点的距离与工作缸推杆到支点的距离比 |
| peripheral ratio | 周缘速比 |
| pitch-diameter ratio | 节圆直径比 |
| pore-solids ratio | 孔隙率比 |
| power mixture ratio | 燃油喷射功率喷射增量 |
| power mixture ratio | 汽油-空气混合气功率混合比一般为13 : 1 |
| power to bulk ratio | 体积功率 |
| power/mass ratio | 功率/质量比发动机净功率与汽车或汽车列车的最大总质量之比 |
| power/mass ratio | 比功率 |
| power/maximum manufacturer's total mass ratio | 厂定比功率 |
| power-to-weight ratio | 单位质量功率 |
| power-to-weight ratio | 发动机/汽车功率/ 质量比 |
| power/weight ratio | 单位质量功率 |
| power/weight ratio | 发动机/汽车功率/质量比 |
| precompression ratio | 二冲程发动机预压缩比 |
| pressure ratio | 发动机增压比 |
| pressure reduction ratio | 减压比率 |
| primary compression ratio | 二冲程发动机预压缩比 |
| primary ratio | 发动机/变速器/传动系统初级一级传动比 |
| proportioning ratio | 制动力分配率比例 |
| pulley ratio | 带轮传动比 |
| rate fluctuating ratio within a certain range | 幅度比差 |
| rate ratio | 运价比差率 |
| ratio change gear | 滚比交换齿轮 |
| ratio changer | 比率变换器 |
| ratio control | 混合气混合比控制 |
| ratio control | 比例关系调节 |
| ratio, curb weight-to-total weight | 车辆整备质量与总质量之比 |
| ratio gear | 滚比交换齿轮 |
| ratio-license lamp | 牌照灯比率两个最高的测试点与两个最低的测试点的比率 |
| ratio of cornering radius | 车辆转弯半径比 |
| ratio of height of center of gravity to wheelbase | 相对重心高度 |
| ratio of height of center of gravity to wheelbase | 重心高度与轴距之比 |
| ratio of height to diameter | 高度直径比 |
| ratio of height to diameter | 高径比 |
| ratio of mixture | 混合气比率 |
| ratio of nozzle hole | 喷油嘴喷孔长度和直径比 |
| ratio of power | 质量功率 |
| ratio of pressure rise | 压力升高比 |
| ratio of revolutions | 转数传动比 |
| ratio of transmission | 传动变速比 |
| ratio-signal lamp | 信号灯比率主要功能测试点与次要功能相同测试点的比率 |
| ratio, sprung-to-unsprung mass | 簧上质量与簧下质量之比 |
| ratio, steering-wheel angle to road-wheel angle | 转向盘转角与转向轮转角之比 |
| ratio, surface-to-volume | 面容比燃烧室的表面积和容积之比 |
| ratio, surface-to-volume | 面积与容积之比 |
| ratio valve | 制动系统比率阀 |
| ratio, vehicle curb weight-to-total weight of vehicle | 车辆整备质量与车辆总质量之比 |
| ratio, vehicle kerb weight-to-total weight of vehicle | 车辆整备质量与车辆总质量之比 |
| rear-axle ratio | 传动系统后轴减速比 |
| rear-to-front steering ratio sensor | 四轮转向器构前后轮转向比传感器 |
| reducing ratio | 减压比 |
| reduction ratio | 减速传动，压缩，缩小，还原比 |
| reduction-gear ratio | 减速比 |
| rejection ratio | 电学抑制比 |
| remnant ratio of discharging | 出料残余率 |
| repair time ratio | 修理时间比率 |
| repair time ratio | 修理时间比 |
| reve rse-g ear ratio | 倒档传动速比 |
| rich mixing ratio | 浓混合比空燃比小于 14.7 |
| rocker-arm ratio | 配气机构摇臂传动比 |
| rod ratio | 连杆长度比 |
| rod ratio | 连杆两中心线间距离对活塞行程比 |
| rod-length ratio | 桿行程比 |
| rod-length ratio | 连杆两中心线间距离对活塞行程之比 |
| rod-to-stroke ratio | 桿行程比 |
| rolling ratio | 滚比 |
| Saab Variable Compression Ratio | 瑞典萨伯可变压缩比 |
| scavenge ratio | 扫气比 |
| scavenge ratio | 扫气量与排量之比 |
| scavenged area ratio | 扫气面积比 |
| sealand ratio | 阴纹比轮胎与地面接触部位花纹沟槽面积与花纹凸起面积之比 |
| secondary ratio | 传动系统二级传动比 |
| shift-lever ratio | 变速比 (gear ration) |
| shift-lever ratio | 齿轮比 (gear ration) |
| shock-absorber ratio | 阻尼值减振器伸张与压缩阻尼比 |
| signal to noise ratio | 信号/噪声比 |
| signal/noise ratio | 信号/噪声比 |
| signal/noise ratio | 信噪比 |
| signal/noise ratio | 无线电干扰信号/噪声比 |
| signal-to-disturbance ratio | 信骚比 |
| signal-to-noise ratio | 信号/噪声比 |
| signal-to-noise ratio | 电工学信噪比 |
| sliding ratio | 滑动率 |
| slip ratio | 滑移率 |
| slowest ratio | 最低档传动比 |
| speed increasing ratio | 增速比如增速齿轮传动的传动比 |
| speed reducing ratio | 减速比如减速齿轮传动的传动比 |
| spray penetration ratio | 喷注贯穿率 |
| spread ratio | 扩张比指空气滤清器壳体最大直径部分断面面积与进气口断面面积的比值 |
| stall torque ratio | 自动变速器失速变矩比 |
| stall torque ratio | 零速变矩系数 |
| steering ratio | 转向传动比 |
| steering-box ratio | 转向器传动比 |
| steering-gear angle ratio | 转向器角传动比 |
| steering-gear ratio | 转向器传动比 |
| steering-system angle ratio | 转向系统角传动比见 GB/T 12549-90 中 3.1.4 |
| step ratio | 变速器级比见 JASO C801-1994 中 4004 |
| step-down ratio | 减速比 |
| step-up ratio | 变速比 |
| step-up ratio | 步阶比 |
| step-up ratio | 挂高速档 |
| step-up ratio | 转速升高比 |
| stoichiometric A/Fair-fuel ratio | 理论空燃比 |
| stoichiometric ratio | 过量系数 |
| stoichiometric ratio | 发动机混合气理论配比 |
| straight ratio | 直接档 |
| straight ratio | 等不变速比转向 |
| stress ratio | 应力循环不对称脉动系数 |
| stroke bore ratio | 行程缸径比 |
| stroke/bore ratio | 发动机行程缸径比 |
| stroke/connecting rod ratio | 行程/连杆比 |
| stroke-to-bore ratio | 发动机行程/缸径比 |
| stroke-to-connecting rod ratio | 行程/连杆比 |
| supercharge ratio | 增压比 |
| surface volume ratio | 面容比 |
| surface-to-volume ratio | 面容比 |
| surface-to-volume ratio | 燃烧室面积/容积比 |
| surface-volume ratio | 燃烧室面容比 |
| surface/volume ratio | 面容比 |
| surface/volume ratio | 面积/容积比 |
| tachometer drive ratio | 转速传动比 |
| theoretical mixture ratio | 理论混合比14.7 |
| three-stage pulley ratio | 三级带轮传动比 |
| throttle area ratio | 节气门面积比 |
| tire aspect ratio | 轮胎截面高宽比 |
| tooth thickness ratio | 齿厚比 |
| torque bias ratio | 差速器左右扭矩偏差率 |
| torque bias ratio | 差速器左右转矩偏差率 |
| torque ratio | 变矩系数 |
| torque-conversion ratio | 变矩器变矩比 |
| torque/mass ratio | 转矩/质量比 |
| torque/maximum total mass ratio | 转矩/最大总质量比 |
| torque/maximum total mass ratio | 比扭矩 |
| total contact ratio | 总重合度 |
| total drive ratio | 总传动比 |
| total ratio | 总传动变速比 |
| total steering ratio | 转向系统总传动比 |
| total transmission ratio | 总传动比 |
| tractor-trailer ratio | 挂车配比 |
| transfer ratio | 振动传递比 |
| transformer ratio | 变量压比 |
| transmission gear ratio | 变速器速传动比 |
| transmission ratio | 变速器速比 |
| transverse contact ratio | 齿轮端面重合度 |
| trapped air-fuel ratio | 实际空燃比气缸内实际充入的存留空气质量与充入存留的燃料质量之比 |
| turn ratio | 初级线圈与次级线圈的圈数比 |
| unmatched gear ratio | 不匹配的齿轮传动比 |
| upper limit ratio | 上限比差 |
| vapor/liquid ratio | 气/液比 |
| variable crank-radius to connecting rod-length ratio engine | 曲柄半径/连杆长度之比可变的发动机 |
| variable crank-radius to connecting-rod length ratio engine | 曲柄半径/连杆长度之比可变的发动机 |
| variable division ratio deviator | 可变分频器 |
| variable gear ratio steering | 可变传动比转向 |
| variable gear ratio steering | 可变传动比转向采用车速传感器来控制 |
| variable gear ratio steering | 可变传动比转向器构指转向传动比和车速协调变化 |
| variable ratio | 变传动比 |
| variable-ratio steering | 变传动比转向 |
| variable torque bias ratio | 可变左/右转矩分配率 |
| variable-compression ratio | 发动机可变压缩比 |
| virtual compression ratio | 发动机实际压缩比 |
| volume ratio | 容体积比 |
| volume ratio of combustion chamber | 发动机燃烧室体积比 |
| volumetric mixture ratio | 发动机体积混合比 |
| water ratio | 含水率百分比 |
| weight displacement ratio | 质重量排量比 |
| weight ratio | 车辆质量比 |
| weight torque ratio | 车辆质重量转矩比单位：kg/N•m |
| weight-displacement ratio | 发动机质重量排量比如升/千克 |
| weight-power ratio | 发动机质重量功率比单位：kg/kW |
| weight-to-power ratio | 质重量功率系数 |
| weight-to-power ratio | 发动机质重量与功率之比 |
| wheelspin ratio | 车轮滑转率 |
| wide gear ratio | 大传动比 |
| wide gear ratio | 传动系统宽速比 |
| wide-range air/fuel ratio sensor | 宽带氧传感器 |
| wide-range air/fuel ratio sensor | 宽空燃比传感器 |
| wide-range ratio sensor | 宽带氧传感器 |
