acoustic emission transducer[sensor],声发射换能器

acoustic fatigue,声疲劳

acoustic impedance,声阻抗

acoustic logging instrument,声波测井仪

acoustic malfunction,声失效

acoustic matching layer,声匹配层

acoustic(quantity)transducer[sensor],声（学量）传感器

acoustic ratio,声比

acoustic releaser,声释放器

acoustic resistance,声阻

acoustic thermometer,声学温度计；声波温度表

acoustic tide gauge,回声验潮仪

acoustic transponder,声应答器

acoustical frequency electric,声频大地电场仪

acoustical hologram,声全息图

acoustical holography,声全息

acoustical holography by electron-beam scanning,电子束扫描声全息

acoustical holography by laser scanning,激光束扫描声全息

acoustical holography by mechanical scanning,机械扫查声全息

acoustical imaging by Bragg diffraction,布拉格衍射声成像

acoustical impedance method,声阻法

acoustical lens,声透镜

acoustically transparent pressure vessel,透声压力容器

acquisition time,取数据时间

actinometer,光能计；直接日射强度表；日射表

(active)energy meter,（有功）电度表

active gauge length,有效基长

active gauge width,有效基宽

active metal indicated electrode,活性金属指示电极

active remote sensing,主动遥感

active transducer[sensor],有源传感器

activity,活度 activity coefficient,活度系数

actual material calibration,实物校准

actual time of observation,实际观测时间

actual transformation ratio of voltage transformer,电压互感器的实际变化

actral transformation ratio of current transformer,电流互感器的实际变化

actual value,实际值

actual voltage ratio,实际电压比

actuator,执行机构；驱动器

actuator bellows,执行机构波纹管

actuator load,执行机构负载

actuator power unit,执行机构动力部件

actuator sensor interface(ASI),执行器传感器接口

actuator shaft,执行机构输出轴

actuator spring,执行机构弹簧

actuator stem,执行机构输出杆

actuator stem force,执行机构刚度

actuator travel characteristic,执行机构行程特性

adaptation layer,适应层

adaptive control,（自）适应控制

adaptive control system,适应控制系统

adaptive controller,适应控制器

adaptive prediction,适应预报

adaptive telemetering system,适应遥测系统

adder,加法器

addition method,叠加法

additional correction,补充修正

additivity of mass spectra,质谱的可迭加性

address,地址 adiabatic calorimeter,绝热式热量计

adjust buffer total ion strength,总离子强度调节缓冲剂

adjustable cistern barometer,动槽水银气压表

adjustable relative humidity range,相对湿度可调范围

adjustable temperature range,温度可调范围

adjusted retention time,调整保留时间

adjusted retention volume,调整保留体积

adjuster,调整机构；调节器

adjustment,调整

adjustment bellows,调节波纹管

adjustment device,调整装置

adjusting pin,校正针

adsorbent,吸附剂

adsorption chromatography,吸附色谱法

aerial camera,航空照相机

aerial remote sensing,航空遥感

aerial surveying camera,航摄仪

aerodynamic balance,空气动力学天平

aerodynamic noise,气体动力噪声

aerograph,高空气象计

aerogravity survey,航空重力测量

aerometeorograph,高空气象计

aerosol,县浮微料；气溶胶

aging of column,柱老化

agitator,搅拌器

agricultural analyzer,农用分析仪

air-borne gravimeter,航空重力仪

air capacitor,空气电容器

air consumption,耗气量

air damper,空气阻尼器

air-deployable buoy,空投式极地浮标

air-drop automatic station,空投自动气象站

air duct,风道

air gun,空气枪

air inlet,进风口

air lock,气锁阀

air-lock device,锁气装置

air outlet,回风口

air pressrue balance,空气压力天平

air pressure test,空气压力试验