iminmum risk estimation,最小風險估計

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

magentrol,磁放大器

magnet assembly,磁体

magnet dynamic instrument,磁式動態儀器

magnet,磁鐵

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 meter,磁場計

magnetic field strength transducer[sensor],磁場強度傳感器

magnetic field,磁場

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 inspection,磁粉探傷机

magnetic potentiometer,磁位計

magnetic particle,磁粉

magnetic prospecting instrument,磁法勘探儀器

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 unit,磁帶机

magnetic tape,磁帶

magnetic widn,磁風

magnetic(quantity)transducer[sensor],磁（學量）傳感器

magnetization method,磁化方法

magnetizer,充磁机

magnetizing assembly,磁化裝置

magnetizing coil,磁化線圈

magnetizing current,磁化電流

magnetizing time,磁化時間

magnetizing,磁化

magneto electric balance,電磁天平

magneto sensor,磁敏元件

magneto-optical effect magnetometer,磁阻磁強計

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

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

magnification,放大倍率

magnitude margin,幅值裕度；幅值裕量

magnitude-frequency characteristics,幅頻特性

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 test,維護試驗

maintenance,維修；維護

major loop,主回路

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

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

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 of conformity,合格標志

mark,標志

marking of an instrument for explosive atmosphere,防爆儀表標志

marking,標志

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 machine,質量定心机

mass centering,質量定心

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 senstive detector,質量流量敏感型檢測器

mass flow-rate,質量流量