mechanical bathythermograph(MBT),机械式深温计
mechanical hygrometer,机械湿度计
mechanical impedance,机械阻抗
mechanical properties,机械性能
mechanical quantity,机械量
mechanical quantity transducer[sensor],力学量传感器
mechanical regulator,机械稳速器
mechanical resonance,机械共振
mechanical resonance frequency of the moving element,运动部件机械共振频率
mechanical resonance frequency of the moving element suspension, 运动部件悬挂机械共振频率
mechanical runout,机械脱出
mechanical sensor,力敏元件
mechanical shock,机械冲击
mechanical strain,机械应变
mechanical structure type transducer[sensor],结构型传感器
mechanical test,机械性能试验
mechanical testing machine,机械式试验机
mechanical top-loading balance,机械式上皿天平
mechanical vibration,(机械）振动
mechanical vibrator,机械振动器
mechanical vibraometer,机械测振仪
mechanical zero,机械零位
mechanical zero adjuxter,机械零位调节器
mechanism model,机理模型
medium temperature strain gauge,中温应变计（片）
mel,美（音调的单位）
melted quartz cqpacitor,熔融石英电容器
melting heat,熔解热
melting point,熔解点
melting point type disposable fever thermeometer,熔点型消耗式温度计
memory,存储器
memory protection,存储保护
Mendeleev weighing,门捷列夫称量法
meniscus,弯月面
menu selection mode,选单选择式；菜单选择式
meroury barometer,水银气压表
mercury drop amplitude,汞滴振幅
mercury motor meter,水银电机式仪表
mercury pool electrode,示池电极
mercury thermoneter,水银温度表
message,报文
message mode,报文方式
message switching,报文交换
messenger,使锤
metal base indicated electrode,金属基指示电极
metal-ceramic X-ray tube,金属陶瓷X射线管
metal-insoluble salt indicated electrode,金属-难溶盐指示电极
metal-oxide gas transducer[sensor],金属氧化物气体传感器
metal-oxide humidity transducer[sensor],金属氧化物湿度传感器
metal-spring gravimeter,金属弹簧重力仪
metallic material testing machine,金属材料试验机
metallurgical automation,冶金自动化
metastable dceomposition,亚稳分解
metastable defocussing,亚稳去聚焦
metastable ion,亚稳离子
metastable scanning,亚稳扫描
meteorograph,气象计
meteorological instrument,气象仪器
meteorological observation,气象观测
meteorological radar,气象雷达
meteorological rocket,气象火箭
meteorological satellite,气象卫星
meteorological tower,气象塔
meter,计；表
meter electrodes,测量电极
meter flow-rate,仪表流量
meter for testing constant current fluxreset curve,恒流磁通回归曲线测试仪
meter tube(of an electromagnetic flowmeter),（电磁流量计的）测量管
meter wheel,绳索记数器
meter with maximum demand indicator,最大需量电度表
meters(for the measurement of the volume of fluids),（测量流体体积的）仪表
meters for measuring amplitude by a reading microscope,读数显微镜测振幅法
method for measuring amplitude by a wedge gauge,量楔测振幅法
method of coreection,校正方法
method of electron diffraction,电子衍射法
method of field emission microscope(FEM),场发射显微镜法
method of field parameter measurement,场参数测量法
meteod of instability,不稳定法
method of least squqres,最小二乘方法
method of measurement,测量方法
method of modal balancing,振型平衡法
method of spot parameter measurement,点参数测量法
method standard,方法标准
metrological performance,计量性能
mica capacitor,云母电容器
imcro adsorption detector,微量吸附检测器
micro analysis,微量分析
micro balance,微量天平
micro coulometric detector,微库仑检测器
microbarograph,微（气）压计
microbarometer,微压表
microcomputer,微（型）计算机
microcomputer alternating current resistivity instrument,微机化交流电阻率仪器
micro-computer field measuring system,微电脑野外检测系统
microcomputer induced polarization instrument,微机激电仪
micro-densitometer,微密度计
micro-economic model,微观经济模型
micro-economic system,微观经济系统
micro-heat of adsorption detector,微量吸附热检测器
micro-packed column,微填充柱
microhardness number,显微硬度值
micrometer,测微器
micrometer checker,千分表检查仪
microphone,传声器
microphone calibration apparatus,传声器械校准仪
microphone protection grid,传声器保护罩
microphone response frequency,传声器共振频率
microphone stand,传声器架
microphone temperature coefficient,传声器温度系数
microphotometer,测微光度计
micropluviometer,微雨量器
microtome,超薄切片机
microwave,微波
microwave detecton apparatus,微波检测仪
microwave distance method,微波探伤法
microwave distance meter,微波测距仪
microwave hygroscope,微波测湿仪
microwave plasma detector,微波等离子体检测器
microwave radar,微波雷达
microwave radiometer,微波辐射计
microwave remote sensing,微波遥感
micro-wave scatterometer,微波散射计
microwave thickness meter,微波厚度计
mid infrared range(MIR) remote sensing,中红外遥感
minimum achievable residual unbalance,最小可达剩余不平衡量
minimum cyclic load,最小循环应力
minimum detectable leak,最小可检漏量
minimum detectable partial pressure,最小可检分压强
minimum flow-rate,最小流量
minmum load of the testing machine,试验机最小负荷
minimum operationg pressure differential,最小工作压差
minimum phase system,最小相位系统
minimum positioning time,最小定位时间
minimum power supply voltage,最低电源电压
minimum rate of benefit,最低收益率
minimum reserve,最低储备
iminmum risk estimation,最小风险估计
minimum scale value,标度始点值
minimum strain,最小应变
minimum temperature,最低温度
minimum thermometer,最低温度计；最低温度表
minimum variance estimation,最小方差估计
mining compass,矿山罗盘仪
mirror dial,镜大幅度盘
mirror telescope,反射望远镜
mixing length,混合长度
mixing ratio,混合比
mobile phase,流动相
mobile weather station,流动气象站
mobile X-ray detection apparatus,移动式X射探伤机