| Subject | English | Chinese |
| repr.biol. | amine precursor uptake and decarboxylation APUD | 胺前体摄取及脱羧产生肽类激素和神经递质的细胞，具有共同的生化特性，也就是具有摄取胺的前身、脱去羧基而变成活性胺或活性肽的能力 |
| repr.biol. | amine precursor uptake and decarboxylation APUD | 系统 |
| physiol. | amine precursor uptake and decarboxylation cell | APUD 细胞 (APUD cell) |
| physiol. | amine precursor uptake and decarboxylation cell | 胺前体摄取和脱竣作用细胞 (APUD cell) |
| biol. | amine precursor uptake and decarboxylation system | 简称APUD细胞系统 |
| biol. | amine precursor uptake and decarboxylation system | 胺与胺前体摄取和脱羧细胞系统 |
| sport., physiol. | amine precursor uptake & decarboxylation | 系统 |
| life.sc. | amyloid precursor protein | 淀粉样前体蛋白 |
| el. | boron and phosphorus doped oxide deposited using TEOS silicon precursor chemistry | 利用四乙氧基硅烷硅先质的化学性质淀识硼、磷掺杂氧化物 |
| chem. | catalyst precursor composition | 催化剂前体成分 |
| chem. | catalyst precursor composition | 催化剂母体成分 |
| textile | cellulose precursor fiber | 纤维素纤维原丝碳纤维原丝 |
| textile | cellulose precursor fiber | 纤维素母体纤维 |
| space | elastic precursor wave | 弹性前驱波 |
| physiol. | granuloid committed precursor cell | 粒系定向干细胞 |
| nautic., tech. | Guidelines for the Prevention and Suppression of the Smuggling, Psychotropic Substances and Precursor Chemicals on Ships Engaged in International Maritime Traffic | 防止和制止从事国际海上运输船舶走私毒品、精神药物和前体化学品指南 |
| el. | liquid precursor delivery system | 液体先质输送系统 |
| textile | mesophase pitch precursor fiber | 中相沥青母体纤维 |
| geol. | methane precursor carbon | 甲烷母体碳 |
| tech. | precursor activity | 前兆活动 |
| space | precursor burst | 先遣爆炸 |
| surg. | precursor cell | 先质细胞 |
| UN, biol. | Precursor cell | 前导细胞 |
| dermat. | precursor cell | 前体细胞 |
| UN, biol. | Precursor cell | 前缀细胞 |
| repr.biol. | precursor cells | 前驱细胞 |
| life.sc. | precursor chain | 前导链 |
| life.sc. | precursor chain | 前导肽 |
| comp. | precursor chain | 前身链 |
| UN, sl., drug. | Precursor chemicals | 化学先质 |
| publ.secur. | Precursor chemicals | 前体化学品［制毒原料如盐酸、丙酮、乙醇］ |
| UN, sl., drug. | Precursor chemicals | 化学前体 |
| UN, sl., drug. | Precursor chemicals | 易制毒化学品 |
| UN, afghan. | precursor chemicals used to produce drugs | 用于生产毒品的化学先质 |
| mol.gen. | precursor cleavage | 前体劈裂 (分生) |
| agric. | precursor cleavage | 前体分裂 |
| geogr. | precursor compound | 生源物 |
| construct. | precursor compound | 原〔起〕始化合物 |
| tech. | precursor compound | 初始化合物 |
| UN, sl., drug. | Precursor Control Unit | 化学先质管制股 |
| tech. | precursor conversion | 母体转化法 |
| tech. | precursor effect | 前兆效应 |
| nucl.phys. | precursor electron | 先驱电子 |
| market. | precursor events | 先兆事件法 |
| eng.geol. | precursor fault | 初始断层 |
| eng.geol. | precursor fault | 前兆断层 |
| textile | precursor fiber | 母体纤维生产碳纤维的原料纤维，例如聚丙烯腈纤维 |
| tech. | precursor fiber | 母体纤维 |
| el. | precursor fission product | 前驱裂变产物【核】 |
| mater.sc. | precursor for diamond film deposition | 金刚石薄膜沉积前驱体 |
| tech. | precursor gas of ozone | 臭氧的气体前体 |
| market. | precursor indicators | 先兆事件法 |
| chem. | precursor ion | 母离子 |
| chem. | precursor ion | 先驱离子 |
| mol.gen. | precursor ion | 先驱离子 (分生) |
| agric. | precursor ion | 前体离子 |
| space | precursor jamming | 先行干扰 |
| tech. | precursor model | 前兆模式 |
| agric. | precursor molecule | 前体分子 |
| genet. | precursor mRNA | 前信使 RNA (前体 mRNA) |
| agric. | precursor mRNA | 前体信使 RNA |
| anim.husb. | precursor mRNA | 前信使 RNA |
| agric. | precursor mRNA | 前体信使RNA (pre-mRNA) |
| life.sc. | precursor mRNA | 前体 mRNA, 前信使 RNA |
| agric. | precursor mRNA | 前体 mRNA (pre-mRNA) |
| chem. | precursor nuclide | 前驱核素 |
| el. | precursor of accidents | 事故先兆 |
| el. | precursor of accidents | 事故前兆 |
| expl. | precursor of emulsion explosive | 乳化炸药前体 |
| agric. | precursor of vitamin A | 维生素 A 原 |
| tech. | precursor phenomenon | 前兆现象 |
| tech. | precursor pollutant | 前体污染物 |
| polym. | precursor polymer | 前体聚合物 |
| tech. | precursor polymer | 母体聚合物 |
| chem. | precursor-product relation | 母体-子体关系 |
| chem. | precursor-product relation | 前身-产物关系 |
| agric. | precursor protein | 前体蛋白 |
| tech. | precursor pulse | 前兆脉冲 |
| tech. | precursor pulse | 先行脉冲 |
| scient. | precursor radiation | 前驱辐射 |
| nucl.phys. | precursor reactor | 前驱反应堆 |
| life.sc. | precursor ribosomal RNA | 前核糖体 RNA |
| life.sc. | precursor ribosomal RNA | 前体rRNA |
| anim.husb. | precursor RNA | 前 RNA |
| anim.husb. | precursor RNA | RNA 先驱物 |
| agric. | precursor RNA | 前体 RNA |
| genet. | precursor RNA processing | 前体 RNA 加工 |
| genet. | precursor RNA processing protein | 前体 RNA 加工蛋白 |
| genet. | precursor rRNA | 前核糖体 RNA (前体 rRNA) |
| astr. | precursor star | 前身星 |
| anim.husb. | precursor substance | 先质 |
| anim.husb. | precursor substance | 前身物质 |
| anim.husb. | precursor substance | 产物母体 |
| dermat. | precursor syndrome | 前体综合征 |
| space | precursor time | 前兆时间 |
| genet. | precursor tRNA | 前转移 RNA (前体 tRNA) |
| genet. | procaryotic precursor RNA | 原核生物前体 RNA |
| genet. | ribosomal precursor RNA | 核糖体前体 RNA |
| agric. | ribosomal precursor RNA | 核糖体前 RNA |
| agric. | ribosomal precursor RNA | 核糖体前体RNA |
| space | robotic precursor system | 机器人先遣系统 |
| el. | unmanned precursor vehicle | 不载人先遣飞行器 |
| agric. | yeast rRNA precursor processing | 酵母 rRNA 前体加工 |