| 序号 | 英文 | 音标 | 词性 | 中文 |
| | activated sludge | | | 活性污泥, 加菌淤泥(废水处理方法的一种) |
| | activated sludge aeration | | | 活性污泥曝气(作用) |
| | activated sludge biota | | | 活性污泥生物群 |
| | activated sludge bulking | | | 活性污泥膨胀 |
| | activated sludge culture | | | 活性污泥栽培 |
| | activated sludge digestion | | | 活性污泥消化 |
| | activated sludge disposal | | | 活性污泥处置 |
| | activated sludge filamentation bulking | | | 活性污泥丝状膨胀 |
| | activated sludge floc | | | 活性污泥絮凝物 |
| | activated sludge tank | | | 活性污泥槽 |
| | activated sludge treatment | | | 活化污泥处理 |
| | activated solids | | | 活性固体物 |
| | activated stock | | | (含)促进剂胶料 |
| | activated tank stabilizer | | | 主动式减摇水舱 |
| | activated water | | | 受辐射作用的水 |
| | activating | | vbl. | 使活动 |
| | activating agent | | | 放射化物质, 激活物质, 激活剂, 活化剂 |
| | activating catalyst | | | 活化催化剂 |
| | activating oxide | | | 活性氧化物 |
| | activating reaction | | | 活化反应 |
| | activating reagent | | | 活化试剂 |
| | activation | 7Akti5veiFEn | n. | 活化, 激活, [化]活化作用 |
| | activation centre | | | 激活中心, 活动中心 |
| | activation cross section | | | 活化截面 |
| | activation enthalpy | | | 活化焓 |
| | activation experiment | | | 激活试验 |
| | activation formula | | | 激活[活化]公式 |
| | activation grade | | | 活化度 |
| | activation heat | | | 激活热, 活化热 |
| | activation integral | | | 触发积分 |
| | activation number | | | 活化值 |
| | activation parameter | | | 活化参量[参数] |
| | activation theory of emotion | | | 情绪激动说 |
| | activation threshold | | | 生效界限, 补偿界限 |
| | activator | 5AktiveitE | n. | [化]催化剂, 触媒剂 |
| | activatory | 5AktiveitEri | | 活化的 |
| | active | 5Aktiv | adj.；n. | adj. 积极的, 能起作用的, 现行的, [语法]主动的, 活动的, 活跃的, 活性的；n. [语法] 主动语态, 积极分子 |
| | active acidity | | | 有效酸度 |
| | active adaptation | | | 活动性适应 |
| | active addition | | | 充分加入 |
| | active alert | | | 战斗警报 |
| | active aluminum oxide | | | 活性氧化铝 |
| | active amyl mercuric bromide | | | 旋性戊基汞化溴 |
| | active amyl methyl ketone | | | 另庚酮-[2] |
| | active amyl stearate | | | 硬脂酸旋性戊酯 |
| | active anaphylaxis | | | 自动过敏性 |
| | active antenna | | | 有源[激励]天线 |
| | active anthracene black | | | 活性蒽炭黑(补强剂) |
| | active arch | | | 主动拱 |
| | active area | | | 活动面积, 有效面积 |
| | active army | | n. | 现役军人 |
| | active asset | | n. | 活动资产 |
| | active assets | | | 活动资产, 有收益资产 |
| | active bank account | | | 尚有存款的银行户头 |
| | active beauty | | | 动态美 |
| | active biological film | | | 活性生物膜 |
| | active block | | | 有源组件 |
| | active border | | n. | 活动边框 |
| | active bud | | | 活芽 |
| | active button | | | [计]活动(有效)按钮 |
| | active capacitance | | | 有效电容 |
| | active capital | | n. | 流动资本 |
| | active carbon | | n. | [化]活性炭 |
| | active card | | | 现用卡片 |
| | active carrier | | | 活动性(病期)带菌者 |
| | active catch | | | (阀门分配机构的)活动档 |
| | active centre | | | 活性中心, 有效中心 |
| | active chaff | | | 有源干扰物 |
| | active channel | | | 占线[现用]通道 |
| | active chlorine | | | 有效氯 |
| | active circuitc | | | 有源电路, 带电电路 |
| | active circulation | | | 实际流通 |
| | active commerce | | | 直接贸易（以本国船只运输的贸易） |
| | active component | | | 有功［效］部分； 活性组分； 实数部分； 作用分量； 有源元件 |
| | active computer | | | 在用计算机 |
| | active condition | | | 活性状态 |
| | active conductor | | | 有效导体 |
| | active constituent | | | 活性组分 |
| | active constraint | | | 主动约束 |
| | active continental margin | | | 主动大陆边缘 |
| | active corrector | | | 主动相关器 |
| | active current | | | 有效电流 |
| | active day | | | (地磁)受扰日 |
| | active debt | | | 需付利息的债务 |
| | active decoder | | | 有源解码器 |
| | active defence | | | 积极防御 |
| | active demand | | | 畅销 |
| | active deposit | | | 放射性沉积 |
| | active depression | | | 主动衰退 |
| | active diffusion | | | 有效浸筛, 有效扩散 |
| | active diffusion space | | | 渗透罐有效空间, 有效渗透空间 |
| | active dipole | | | 有源偶极子 |
| | active discipline | | | 自觉纪律 |
| | active divider | | | 主动[切割式]分禾器 |
| | active drive | | n. | 〈计〉活动驱动器 |
| | active duty | | n. | 现役 |
| | active electric network | | | 有源网络 |
| | active element | | | 活性元素 |
| | active entry | | | 生产煤巷 |
| | active extreme pressure lubricant | | | 活性极压润滑油 |
| | active face | | | 刃面 |