atomizer,原子化器attenuation,衰減attenuationcoefficient,衰減系數attenuationlength,衰減長度attenuator,衰減器attitude,姿態attitudetransducer[sensor],姿態傳感器audiomonitor,監聽器audio-frequencyspectrometer,聲頻頻譜儀audit,審核Augerelectronenergyspectrometer(AEES),俄歇電子能譜儀Augerelectronimage,俄歇電子象Augerelectronspectrometer,俄歇電子能譜儀Augerelectronspectroscopy(AES),俄歇電子能譜法aurora,極光auto-compensationlogginginstrument,電子自動測井儀auto-compoundcurrenttransformer,自耦式混合繞組電流互感器auto-polarizationcompensator,自動極化補償器autocorrelationfunction,自相關函數automatica.c.,d.c.B-Hcurvetracer,交、直流磁特性自動記錄裝置automaticbalancingmachine,自動平衡機automaticcontrol,自動控制automaticcontrolsouceofvacuum,真空自動控制電源automaticcontrolsystem,自動控制系統automaticdataprocessing,自動數據處理automaticexposuredevice,自動曝光裝置automaticfeederforbrine,鹽水溶液自動補給器automaticfocusandstigmator,自動調焦和消象散裝置automaticlevel,自動安平水準儀automaticlevellingcompensator,視軸安平補償器automatic/manualstation;A/Mstation,自動/手動操作器automaticprogramming,自動程度設計automaticradiowindwaneandanemometer,無線電自動風向風速儀automaticrailwayweighbridge,電子軌道衡automaticscanning,自動掃查automaticspringpipette,自動彈簧式吸液管automatictestingmachine,自動試驗機automatictitrator,自動滴定儀automatictracking,自動跟蹤automaticverticalindex,豎直度盤指標補償器automaticweatherstation,自動氣象站automation,自動化automaton,自動機auxiliaryattachment,輔件auxiliarycontrollerbus(ACB),輔助控制器總線auxiliarycratecontroller,輔助機箱控制器auxiliarydevices,輔助裝置auxiliaryequipment(ofpotentiometer),(電位差計的輔助設備auxiliarygas,輔助氣體auxiliaryoutputsignal,輔助輸出信號auxiliarystorage,輔助存儲器auxiliaryterminal,輔助端auxiliarytypegravimeter,助動型重力儀availability,可用性availabletime,可用時間average,平均值averageavailability,平均可用度averagenominalcharacteristic,平均名義特性averagesoundlevel,平均聲級averagevalueofcontarmination,污染的平均值averagewindspeed,平均風速axialclearance,軸向間隙axialcurrentflowmethod,軸向通電法axialload,軸向載荷axialsensitivity,軸向靈敏度axialvibration,軸向振動axisofrotation,擺軸旋轉軸axixofstraingauge,應變計[片]軸線

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