﹛﹛MA-scope,MA型顯示 Mach number,馬赫數
machine code,机器代碼
machine intelligence,机器智能
machine language,机器語言
machine type rock ore densimeter,机械式岩礦密度儀
macro analysis,常量分析
macro instruction,宏指令
macro-economic model,宏觀經濟模型
macro-economic system,宏觀經濟系統
macroassembly language,宏匯編語言
magnet,磁鐵
magnet assembly,磁体
magnet dynamic instrument,磁式動態儀器
magnetic analyzer,磁分析器
magnetic balance,磁秤
magnetic card,磁卡
magnetic core,磁心
magnetic damper,磁性阻尼器
magnetic deflection,磁偏轉
magnetic detector for lightning currents,閃電電流磁檢示器
magnetic disc,磁盤
magnetic domain attachment,磁疇附件
magnetic drum,磁鼓
magnetic field,磁場
magnetic field meter,磁場計
magnetic field strength transducer[sensor],磁場強度傳感器
magnetic flaw detection ink,磁懸液
magnetic flow transducer,磁性流量傳感器
magnetic flux transducer[sensor],磁通傳感器
magnetic grating displacement transducer,磁柵式位移傳感器
magnetic induced polariaxtion instrument,磁激電儀
magnetic locator,磁定位器
magnetic logger,磁測井儀
magnetic oxygen transducer[sensor],磁式氧傳感器
magnetic particle,磁粉
magnetic particle inspection,磁粉探傷机
magnetic potentiometer,磁位計
magnetic prospecting instrument,磁法勘探儀器
magnetic(quantity)transducer[sensor],磁（學量）傳感器
magnetic resistivity instrument,磁電阻率儀
magnetic resistor,磁敏電阻器
magnetic rotaion comparison,磁旋比
magnetic scale width meter[gauge],磁柵式寬度計
magnetic screen[shield],磁屏蔽
magnetic sensor,磁傳感器
magnetic separator,磁性分選儀
magnetic storage,磁存儲器
magnetic susceptibility logger,磁化率測井儀
magnetic tape,磁帶
magnetic tape unit,磁帶机
magnetic widn,磁風
magnetization method,磁化方法
magnetizer,充磁机
magnetizing,磁化
magnetizing assembly,磁化裝置
magnetizing coil,磁化線圈
magnetizing current,磁化電流
magnetizing time,磁化時間
magneto electric balance,電磁天平
magneto sensor,磁敏元件
magnetoelastic effect,壓磁效應
magnetoelastic force transducer,磁彈性式力傳感器
magnetoelastic rolling force measuring instrument,磁彈性式軋制力測量儀
magnetoelastic tensiometer,磁彈性式張力計
magnetoelastic torque measuring instrument,磁彈性式轉矩測量儀
magnetoelastic torque transducer,磁彈性式轉矩傳感器
magnetoelastic weighing cell,磁彈性式稱重傳感器
magnetoelectric phase difference torque measuring instrument, 磁電相位差式轉矩測量儀
magnetoelectric phase difference torque transducer,磁電相位差林轉矩傳感器
magnetoelectric tachometer,磁電式轉速表
magnetoelectric tachometric transducer,磁電式轉速傳感器
magnetoelectric velocity measuring instrument,磁電工速度測量儀
magnetoelectric velocity transducer,磁電式速度傳感器
magnetometer,磁強計；磁力儀
magneto-optical effect magnetometer,磁阻磁強計
magnetoresistive magentomenter,磁致伸縮磁力儀
magnetostriction testing meter,磁致伸縮測試儀
magnetostrictive transducer,磁致伸縮振動器
magnetreater,磁處理机
magentrol,磁放大器
magnification,放大倍率
magnitude-frequency characteristics,幅頻特性
magnitude margin,幅值裕度；幅值裕量
magnitude-phase characteristics,幅相特性
main axle of penetrator,壓頭主軸
main storage,主存儲器
main valve,主閥
maintainalbility,可維修性；可維護性；維修性；維修度
maintenance,維修；維護
maintenance test,維護試驗
major loop,主回路
management decision,管理決策
management information system(MIS),管理信息系統
management level,管理級
management science,管理科學
manager,管理站
Manchester encoding,曼徹斯特編碼
mandatory standard,強制性標准
manipulated variable,操縱變量
man-machice communication,人机通信
man-machine coordination,人机控制
man-machine coordination,人机協調
man-machine interaction,人机交互
man-machine interface,人机界面
man-machine system,人机系統
manned submersible,載人潛水器
manometer,壓力計
manual control,手動控制
manual data input programming,手動數据輸入編程；人工數据輸入編程
manual operating device,手動裝置
manual operating mode,手動運轉方式
manual scanning,手動掃查
manual station,手動操作器
manufacturing automation protocol(MAP),制造自動化協議；生產自動化協議
manufacturing message service(MMS),加工制造報文服務
mapping,頁面尋址；面分布圖
marine barometer,船用气壓表
marine digital seismic apparatus,海洋數字地震儀
marine flux-gate magnetometer,海洋地球物理勘探
marine gravimeter,海洋重力儀
marine gravimeteric survey,海洋重力測量
marine instrument,船用儀器儀表
marine optical pumping magnetometer,海洋光泵磁力儀
marine proton gradiometer,海洋質子梯度儀
marine proton magnetometer,海洋質子磁力儀
marine proton precession magnetometer,海洋質子磁力儀
marine seismic prospectiong,海洋地震勘探
marine seismic streamer,海洋地奪電纜；拖纜；漂浮電纜
marine vibrating-string gravimeter,海洋振弦重力儀 mark,標志
mark of conformity,合格標志
marking,標志
marking of an instrument for explosive atmosphere,防爆儀表標志
mass,質量
mass absorption coefficient,質量吸收系數
mass analyzed ion kinetic energy spectrometer(MIKES),質量分析离子動能譜儀
mass analyzer,質量分析器
mass centering,質量定心
mass centering machine,質量定心机
mass chromatography(MC),質量色譜法
mass decade range,十倍質量程
mass discrimination effect,質量歧視效應
mass dispersion,質量色散
mass flow computer,質量流量計算机
mass flow-rate,質量流量
mass flow rate senstive detector,質量流量敏感型檢測器
mass fragmentography(MF),質量碎片譜法
mass indicator,質量指示器
mass number,質量數
mass peak,質量峰
mass range,質量范圍
mass scanning,質量掃描
mass spectrograph,質譜儀
mass spectrometer,質譜計
mass spectometric analysis,質譜法
mass spectrometry(MS),質譜學；質譜法
mass spectrometry-mass spectrometry(MS-MS),質譜-質譜法
mass spectroscope,質譜儀器
mass spectroscopy,質譜學
mass spectrum,質譜
mass-spring system,質量彈簧系統
mass stability,質量穩定性
mass storage,大容量存儲器；海量存儲器
mass-to-charge ratio,質荷比
master file,主文卷
master/slave discrimination,主從鑒別；主副鑒別
master station,主站
master viscometer,標准粘度計
material measure,實体量器
material processibility,材料工藝性能
material tesing machine,材料試驗机
mathematical model,數學模型
mathematical similarity,數學相似
mathematical simulation,數字仿真
matrix correction,基本修正
matrix effect,基体效應
matrix printer,點陣印刷机；點陣打印机
Mattauch-Herzog geometry(mass spectrograph),馬-赫型雙聚焦質譜法
max allowable continuous working current,最大允許連續工作電流
max deflection of linearity,最大線性偏轉
maximum acceleration,最大加速度
maximum allowde deviation,最大允許扁差
maximum ballistic scanning,最大衝擊拂掠
maximum capacity,最大稱量
maximum cyclic load,最大循環負荷
maximum cyclic stress,最大循環應力
maximum displacement,最大位移
maximum excitation,最大激勵
maximum floating voltage,最大浮置電壓
maximum flow-rate,最大流量
maximum load of the test,最大試驗負荷
maximum load of the testing machine,試驗机最大負荷
maximum operating pressure differential,最大工作壓差
maximum operationg water depth,最大工作（水）深度
maximum output inductance,最大輸出電感
maximum output resistance,最大輸出電阻
maximum overshoot,最大超調量
maximum peneration power,最大穿透力
maximum power supply voltage,最高電源電壓
maximum principle,极大值原理；最大值原理
maximum profit programming,最大利潤規划
maximum rated circumferential magnetizing current, 額定周向磁化電流；最大周向磁化電流
maximum rated force under sinusoidal conditions,正弦態最大激振力
maximum revolutions of output shaft,輸出軸最大轉數
maximum scale value,標度終點值
maximum sound pressure level of microphone,傳聲器最高聲壓級
maximum strain,最大應變
maximum temperature,最高溫度
maximum thermometer,最高溫度計；最高溫度表
maximum transverse load,最大橫向負荷
maximum velocity,最大速度
maximum wind speed,最大風速
maximum working pressure(MWP),最大工作壓力
McLeod vacuum gauge,麥氏真空計
mean availability,平均軸就流体速度
mean dynamic pressure in a cross-section,橫截面內的平均動壓
(mean) effective mavelength,（平均）有效波長
mean flow-rate,平均流量
mean life,平均壽命
mean linear velocity of mobile phase,流動相平均線速
mean load,平均負荷
mean repair time(MRT),平均修理時間
mean squared spectral density,均方譜密度
mean strain,平均應變
mean stress,平均應力
mean time between failures(MTBF),平均失效間隔時間
mean time to failure(MTTF),平均失效前時間
mean time to restoration,平均体膨脹系數
meantime auto-spectrometer,同時式自動光譜儀
(measurable)quantity,(可測的）量
measurand,被測量
measured object,被測對象
measured quantiry,被測量
(measure)target,（被測）目標 measured value,被測值
measured variable,被測變量
measurement,測量
measurement hardware,測量硬件
measurement of directional response pattern,指向性響應圖案測量
measurement of exciting force,激振力的測量
measurement of vibration quantity,振動量的測量
measurement procedure,測量步驟
measurement signal,測量信號
measurement standand,測量標准（器）
measurement time,測量時間
measuring amplifier,測量放大器
measuring bridge,測量電橋
measuring current transformer,測量用電流互感器
measuring distance,測量距离
measuring element(of an electro-mechanical measuring instrument), （電-机械測量儀表的）測量机构
measuring equipment,測量裝置；測量設備
measuring hole,測量孔
measuring indication system,測量指示裝置
measuring instrument,測量（儀器）儀表；測量器具
measuring instrument with circuit control device,帶有電路控制器件的測量儀表
measuring junction,測量端區
measuring microphone,測試傳聲器
measuring plane,測量平面
measuring point for the humidity,濕度測定點
measuring point for the temperature,溫度測定點
(measuring)potentiometer,（測量）電位差計
measuring range,測量范圍
measuring range higher limit,測量范圍上限值
measuring range lower limit,測量范圍下限值
measuring section,測量段
measuring spark gap,測量球隙
measuring system,測量系統
measuring terminal,測量端
measuring time,測量時間
(measuring)transducer,（測量）傳感器
measuring transducer(with electrical output),（電量輸出）測量變換器
measuring voltage transformer,測量用電壓互感器
mechanical bathythermograph(MBT),机械式深溫計
mechanical hygrometer,机械濕度計
mechanical impedance,机械阻抗
mechanical properties,机械性能
mechanical quantity,机械量
mechanical quantity transducer[sensor],力學量傳感器
mechanical regulator,机械穩速器
mechanical resonance,机械共振
mechanical resonance frequency of the moving element,運動部件机械共振頻率
mechanical resonance frequency of the moving element suspension, 運動部件懸挂机械共振頻率
mechanical runout,机械脫出
mechanical sensor,力敏元件
mechanical shock,机械衝擊
mechanical strain,机械應變
mechanical structure type transducer[sensor],結构型傳感器
mechanical test,机械性能試驗
mechanical testing machine,机械式試驗机
mechanical top-loading balance,机械式上皿天平
mechanical vibration,(机械）振動
mechanical vibrator,机械振動器
mechanical vibraometer,机械測振儀
mechanical zero,机械零位
mechanical zero adjuxter,机械零位調節器
mechanism model,机理模型
medium temperature strain gauge,中溫應變計（片）
mel,美（音調的單位）
melted quartz cqpacitor,熔融石英電容器
melting heat,熔解熱
melting point,熔解點
melting point type disposable fever thermeometer,熔點型消耗式溫度計
memory,存儲器
memory protection,存儲保護
Mendeleev weighing,門捷列夫稱量法
meniscus,彎月面
menu selection mode,選單選擇式；菜單選擇式
meroury barometer,水銀气壓表
mercury drop amplitude,汞滴振幅
mercury motor meter,水銀電机式儀表
mercury pool electrode,示池電极
mercury thermoneter,水銀溫度表
message,報文
message mode,報文方式
message switching,報文交換
messenger,使錘
metal base indicated electrode,金屬基指示電极
metal-ceramic X-ray tube,金屬陶瓷X射線管
metal-insoluble salt indicated electrode,金屬-難溶鹽指示電极
metal-oxide gas transducer[sensor],金屬氧化物气体傳感器
metal-oxide humidity transducer[sensor],金屬氧化物濕度傳感器
metal-spring gravimeter,金屬彈簧重力儀
metallic material testing machine,金屬材料試驗机
metallurgical automation,冶金自動化
metastable dceomposition,亞穩分解
metastable defocussing,亞穩去聚焦
metastable ion,亞穩离子
metastable scanning,亞穩掃描
meteorograph,气象計
meteorological instrument,气象儀器
meteorological observation,气象觀測
meteorological radar,气象雷達
meteorological rocket,气象火箭
meteorological satellite,气象衛星
meteorological tower,气象塔
meter,計；表
meter electrodes,測量電极
meter flow-rate,儀表流量
meter for testing constant current fluxreset curve,恒流磁通回歸曲線測試儀
meter tube(of an electromagnetic flowmeter),（電磁流量計的）測量管
meter wheel,繩索記數器
meter with maximum demand indicator,最大需量電度表
meters(for the measurement of the volume of fluids),（測量流体体積的）儀表
meters for measuring amplitude by a reading microscope,讀數顯微鏡測振幅法
method for measuring amplitude by a wedge gauge,量楔測振幅法
method of coreection,校正方法
method of electron diffraction,電子衍射法
method of field emission microscope(FEM),場發射顯微鏡法
method of field parameter measurement,場參數測量法
meteod of instability,不穩定法
method of least squqres,最小二乘方法
method of measurement,測量方法
method of modal balancing,振型平衡法
method of spot parameter measurement,點參數測量法
method standard,方法標准
metrological performance,計量性能
mica capacitor,云母電容器
imcro adsorption detector,微量吸附檢測器
micro analysis,微量分析
micro balance,微量天平
micro coulometric detector,微庫侖檢測器
microbarograph,微（气）壓計
microbarometer,微壓表
microcomputer,微（型）計算机
microcomputer alternating current resistivity instrument,微机化交流電阻率儀器
micro-computer field measuring system,微電腦野外檢測系統
microcomputer induced polarization instrument,微机激電儀
micro-densitometer,微密度計
micro-economic model,微觀經濟模型
micro-economic system,微觀經濟系統
micro-heat of adsorption detector,微量吸附熱檢測器
micro-packed column,微填充柱
microhardness number,顯微硬度值
micrometer,測微器
micrometer checker,千分表檢查儀
microphone,傳聲器
microphone calibration apparatus,傳聲器械校准儀
microphone protection grid,傳聲器保護罩
microphone response frequency,傳聲器共振頻率
microphone stand,傳聲器架
microphone temperature coefficient,傳聲器溫度系數
microphotometer,測微光度計
micropluviometer,微雨量器
microtome,超薄切片机
microwave,微波
microwave detecton apparatus,微波檢測儀
microwave distance method,微波探傷法
microwave distance meter,微波測距儀
microwave hygroscope,微波測濕儀
microwave plasma detector,微波等离子体檢測器
microwave radar,微波雷達
microwave radiometer,微波輻射計
microwave remote sensing,微波遙感
micro-wave scatterometer,微波散射計
microwave thickness meter,微波厚度計
mid infrared range(MIR) remote sensing,中紅外遙感
minimum achievable residual unbalance,最小可達剩余不平衡量
minimum cyclic load,最小循環應力
minimum detectable leak,最小可檢漏量
minimum detectable partial pressure,最小可檢分壓強
minimum flow-rate,最小流量
minmum load of the testing machine,試驗机最小負荷
minimum operationg pressure differential,最小工作壓差
minimum phase system,最小相位系統
minimum positioning time,最小定位時間
minimum power supply voltage,最低電源電壓
minimum rate of benefit,最低收益率
minimum reserve,最低儲備
iminmum risk estimation,最小風險估計
minimum scale value,標度始點值
minimum strain,最小應變
minimum temperature,最低溫度
minimum thermometer,最低溫度計；最低溫度表
minimum variance estimation,最小方差估計
mining compass,礦山羅盤儀
mirror dial,鏡大幅度盤
mirror telescope,反射望遠鏡
mixing length,混合長度
mixing ratio,混合比
mobile phase,流動相
mobile weather station,流動气象站
mobile X-ray detection apparatus,移動式X射探傷机
modal aggregation,模態集結
modal control,模態控制
modal matrix,模態矩陣
modal transformation,模態變換
mode of vibration,振型；振動模態
mode shape,振形
model,模型；型號
model accuracy,模型精确度
model analysis,模型分析
model base(MB),模型庫
model base management system(MBMS),模型庫管理系統
model checking,模型置信度
model coordination method,模型協調法
model decomposition,模型分解
model design,模型設計
model evaluation,模型評价
model experiment,模型實驗
model fidelity,模型逼真度
model following control system,模型跟蹤控制系統
model following controller,模型跟蹤控制器
model loading,模型裝載
model modification,模型修改
model of strain gauge,應變計[片]型式
model reduction,模型降价
model reduction method,模型降价法
model reference adaptive control system,模型參考适應控制系統
model reference control system,模型參考控制系統
model simplification,模型簡化
model transformation,模型變換
model validation,模型确認
model variable,模型變量
model verification,模型驗証
modeling,建模
modern control theory,現代控制理論
modern polarography,近代极譜法
modifiability,可修改性
modular programming,模塊化程序設計
modularity,組合性
modularization,模塊化
modulation,調制
modulation analysis,調制分析
modulation sideband,調制邊帶
modulator,調制器
modulator-demodulator;modem,調制解調器
module,模塊
modulus of elasticity,彈性模量
moire fringe,莫爾條紋
moire frenge grating,莫爾條紋光柵
moisture content,含濕量；水汽含量
moisture sensor,濕敏元件
molecular absorption spectrometry,分子吸收光譜法
molecular beam mass spectrometer,調制分子束質譜計
molecular spectrum,分子光譜
molecule ion,分子离子
moment,分矩
moment of pendulum,擺錘力矩
monitoring,監視
monitoring hardware,監視硬件
monitoring program,監督程序
monochromatic radiation,單色輻射
monochromator,單色儀
monocolour radiation,單色輻射
monopole mass spectrometer,單极質譜計
most economic control(MEC),最經濟控制
most economic observing(MEO),最經濟觀測
mould growth test,長霉試驗
mould test chamber,霉菌試驗箱
mouldproof packaging,防霉包裝
mountain barometer,高山气壓表
mouse,鼠標器
movable cross-beam,移動橫梁
movement,傳動机构
moving band interface,傳送帶接口
moving coil,動圈
moving ciol galvanometer,動圈式[磁電系]檢流計
moving-coil microphone,動圈傳聲器
moving-conductor microphone,電動傳聲器
moving element,運動部件；可動部分
moiving-iron instrument,動鐵式[電磁系）儀表
moving-megnet galvanometer,動磁系振動子
moving-magnet instrument,動磁式儀表
moving point device,移點器
moving-scale instrument,動標度尺式儀表
moving table,滑台
MS-MS scanning,質譜﹛質譜法掃描
mud flow meter,泥漿流量計
mud hydrometer,泥漿比重計
mud logger,泥漿電阻儀
mud lubrification meter,泥漿潤滑性測定儀
mud resistance meter,泥漿電阻儀
mud sand content meter,泥漿含砂量測定儀
mud wavter loss meter,泥漿失水量測定儀
multi-axial strain gauge,多軸應變計
multi band seismograph,多頻帶地震儀
multichannel analyzer,多道分析器
multichannel cross correlation,多通道互相關
multi-channel logging truck,多線式自動測井儀；測井站
multi-channel photo-recorder,多線照相記錄儀
multi-channel pulse height analyzer,多道脈衝高度分析儀
multi-channel X-ray spectrometer,多道X射線光譜儀
multi collectors mass spectrometer,多接收器質譜計
multi-colour radiation thermometer,多色輻射溫度計
multi-colour thermometry,多色測溫法
multi-core type current transformer,多鐵心型電流互感器
multi crystal thermistor,多昌熱敏電阻器
multi-frequeny channel ground detector,多頻道地電儀
multi-runction(measuring)instrument,多功能（測量）儀表
multi-function transducer[sensor],多功能傳感器
multi-idler belt conveyor scale,多托輥電子皮帶秤
multi-input multi-output control system;MIMO control system,多輸入多輸出控制系統
multi-path diagonal-beam ultrasonic flowmeter,多聲道斜束式超聲流量計
multi-plane balancing,多面平衡
multi-objective decision,多目標決策
multi-plate trim,多層疊板工節流組件
multi-range(measuring)instrument,多范圍（測量）儀表
multi-rate meter,复費率電度表
mulit-scale(measuring)instrument,多標度尺（測量）儀表
mulit-stage accelerating electron gun,多极加速電子槍
multistage flash distillation method for desalination,多級閃急蒸餾淡化法
multi-step action,多位作用
multi-step controller,多位控制器
multi-turn electric actuator,多轉電動執行机构
multi-user simulation,多用戶仿真
multidimensional gas chromatograph,多維气相色譜儀
multidimensional gas chromatography,多維气相色譜法
multilayer control,多層控制
multilayer system,多層系統
multilevel computer control system,多級計算机控制系統
multilevel control,多級控制
multievel coordination,多級協調
multilevel decision,多級決策
multievel process,多級過程
multilevel system,多級系統
multilink,多鏈路
multiloop control,多回路控制
multiloop control system,多回路控制系統
multiloop controller,多回路控制器
multimeter,万用電表
multiple channel recorder,多通道記錄儀
multiple echo method,多次反射法
multiple-jet water meter,多注束水表
multiple scattering event,多重散射過程
multiple-sensor cross correlation,多傳感器互相關
multiple-speed floationg action,多速無定位作用
multiple-speed floation controller,多速無定位控制器
multiple step plug,多級閥芯
multiple tide staff,群驗潮杆；水尺組
multiplex link,复用鏈路
multiplexer,多路轉換器；多路轉接器
multiplexing,多路复用
multipoint connection,多點連接
multipoint network,多點网絡
multipoint recorder,多點記錄儀
multiprocessing,多道處理；多處理机
multiprogramming,多道程序設計
multiprojecting plotter,多位投影測圖儀
multisegment model,多段模型
multispectral camera,多光譜照相机
multispectral scanner(MSS),多光譜掃描儀
multistage decision process,多段決策過程
multistate logic,多態邏輯
multistratum control,多段控制
multistratum system,多段系統
multivariable control system,多變量控制系統
