| English | Chinese |
| A gel | 松凝胶 |
| A nitrilotriacetic acid | 托立龙 |
| a priori computation | 演绎计算 |
| A-addition | 加聚物 |
| a-bearing waste | α放射性废物 |
| actinium A | 锕 (A ²¹⁵Po) |
| A/D transformation | 模/数转换 |
| A-face centered lattice | 心点格 |
| alizarin yellow A | 茜素黄A (C₆H₅COC₆H₂(OH)₃) |
| alizarin yellow A | 2,3,4-三羟基苯基苯基甲酮 |
| allizarin yellow A | 茜素黄A (C₆H₅COC₆H₂(OH)₃) |
| allizarin yellow A | 2,3,4-三羟基苯基苯基甲酮 |
| anthorine A | 雪上一枝蒿碱甲 |
| antihemophilic factor A | 抗血友病球蛋白 |
| A-polymerization | 加聚作用 |
| as received | 按来样计算 |
| AS resin | AS 树脂 |
| as-cast | 铸出后加工但不进行热处理 |
| as-cast | 铸出后不加工的 |
| as-coagulated | 凝聚态的 |
| as-coagulated | 初凝态的 |
| as-is fibre | 原态纤维 |
| A-site | A 部位 |
| A-site | 氨酰基部位 |
| as-pseudocumyl | 2, 3, 5-三甲苯基 |
| as-pseudocumyl | 偏枯基 |
| as-sprayed coating | 喷涂态涂层 |
| as-spun fibre | 初纺纤维 |
| as-spun fibre | 初生纤维 |
| A-stage | A 阶段 |
| A-stage | 甲阶 |
| bakelite A | 可熔酚醛树脂 |
| bakelite A | 酚醛树脂 A |
| bisphenol A | 二酚基丙烷 |
| bisphenol A | 2,2-双对羟苯基丙烷 |
| bisphenol A bis 2-diazido-naphthoquinone(1,2)-5-sulfonate | 双酚 A 双2-重氮基萘醌(1,2)-5-磺酸酯 |
| bisphenol A disalicylate | 水杨酸二双酚 A 酯 ((HOC₆H₄COOC₆H₄)₂C(CH₃)₂) |
| bleomycin A5 | 平阳霉素药 |
| bullatine A | 雪上一枝蒿甲素 |
| bulleyaconitine A | 草乌甲素药 |
| bunker A fuel | 船用 A 级锅炉燃料油黏度最小的燃料油 |
| butylated bisphenol A | 丁基化双酚 A (防老剂) |
| carbon black as a pigment | 颜料用炭黑 |
| carbon black as a pigment | 色素炭黑 |
| chemical equilibrium in a homogeneous system | 均相体系化学平衡 |
| coenzyme A CoA | 辅酶 A药 |
| critical radius of a cluster | 簇的临界半径 |
| diagnostic performance of a laboratory result | 实验结果的诊断效能 |
| diglycidyl ether of bisphenol A | 双酚 A 二环氧甘油醚 |
| electric polarization of a molecule | 分子电极化率 |
| eriochrome black A | 铬黑 A |
| erioglaucine A | 罂红 A |
| euphorbia A | 大戟 A |
| glass-fiber reinforced AS | 玻璃纤维增强环氧树脂 |
| height equivalent to a theoretical plate | 理论塔板等效高度 (HETP) |
| height equivalent to a theoretical plate | 理论塔板高 (HETP) |
| height equivalent to a theoretical stage | 理论塔板的等量高度 |
| huperzine A | 石杉碱甲药 |
| hwae-hua-menine-A | 槐花米甲素 |
| hwae-hua-menine-A | 槐苷 A |
| individual film coefficient on a volume basis | 分体积膜系数 |
| influence of a third element | 第三元素影响 |
| information content of a spectrum | 谱图的信息量 |
| insectifuge as feed additive | 饲料用驱虫保健剂 |
| inusterol A | 旋覆花甾醇 A |
| jap-A-lac | 日本大漆 A |
| melinonine A | 梅侬宁 A |
| methopterin-A | 甲蝶吟 |
| modified bisphenol A epoxies | 改性双酚A 环氧树脂类 |
| 2-n-amyl-3-methyl-A²-cyclopentenone | 二氢茉莉酮俗 |
| 2-n-amyl-3-methyl-A²-cyclopentenone | 2-戊基-3-甲基环戊烯-2-酮 |
| Naphthol AS | 色酚 AS |
| Naphthol AS-D | 色酚 AS-D |
| Naphthol AS-E | 色酚 AS-E |
| nitroanisidine A | 硝基茴香胺 A |
| oleovitamin A | 维生素 A 油 |
| on a large scale | 大规模的 |
| penicillin A | 青霉氧化酶 |
| penicillin A | 青霉素 A |
| perhydrovitamin A | 全氢化维生素 A |
| poly-as-triazine | 聚非对称三嗪 |
| provitamin A | 前维生素 A |
| R₃As trialkyl-arsine | 叔胂 |
| repair as required | 接需要修理 |
| single-phase a -brass | 单相 α-黄铜含锌达 27% |
| sophorine A | 槐花米甲素 |
| sophorine A | 槐苷 A |
| standard bisphenol A epoxy | 标准双酚 A 环氧树脂类 |
| steaming in a rotary pressure cooker | 回转加压蒸煮 |
| stereoselective ring A | 甾择环 A |
| subgroup A | A 族 |
| taxine A | 紫杉碱 A |
| tetrabromo-bisphenol A | 4,4'-亚异丙基双 2,6-二溴苯酚阻燃剂 |
| tetrabromo-bisphenol A | 四溴双酚A |
| tetradecenoic acid A | 十四碳烯酸 A |
| tetradecenoic acid A | 粗租酸 |
| The methanol can be burned for power generation, used as a vehicle fuel instead of oil | 甲醇可以用于燃烧发电，可替代燃油用作机动车的燃料 |
| thickness of a fabric | 织物厚度 |
| thorium A | 钍 (A ²¹⁶Po) |
| upstanding margin on a horizontal flange | 水平缘外具直沿 |
| vilmorrianine A | 黄草乌碱 A |
| vitamin A₁ | 视网膜醇 |
| vitamin A₂ | 3-脱氢视网膜醇 |
| vitamin A₁ | 维生素 (A₁) |
| vitamin A | 干眼因子 |
| vitamin A acid | 维生素 |
| vitamin A acid | 视网膜酸 |
| vitamin A ether | 维生素 A 醚 |
| vitamin A ketone | 维生素 A 酮 |
| vitamin B₁₂a | 羟钻胺素 |
| vitamin B₁₂a | 生素 B₁₂a |
| vitamins A | A 族维生素 |
| wave-type seal as expansion joint | 可膨胀式波形密封 |