one ohm of resistance causes current flow of one      電流的單位。1伏電壓在1歐姆的電阻上所產(chǎn)生的電流為

ampere.                                             1安培。

AMPLITUDE, The size or magnitude of a voltage or    振幅，

current waveform.                                     電壓或電流波形的幅度。

ANALOG, Quantities or representations that are      模擬式，

variable over a continuous range.                     用連續(xù)性變化的信號來工作，或產(chǎn)生連續(xù)性變化的信號

                                                    系統(tǒng)。

ANALOG-TO-DIGITAL, The process of converting an     從模擬式到數(shù)字式，

analog signal to a digital signal.                    將模擬式信號，轉(zhuǎn)換成數(shù)值式。

AND GATE, A device or circuit with two or more inputs 與門，

of binary digital information and one output. The output 一種有兩個或兩個以上的二進(jìn)位數(shù)字信息輸人，一個輸

is 1 only when all of the inputs are 1. The output is 0 出的裝置或電路。當(dāng)所有輸人為1，輸出為1。當(dāng)任何一個

when any one or more inputs are 0.                  或一個以上的輸人為0時，輸出為0。

                                    TECHNICAL DICTIONARY                                 9

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英漢對照民用航空詞典                                          BOEING

ANEROID, A sealed flexible device containing air at low    膜盒，

pressure, which expands or contracts during change of         內(nèi)含低壓空氣的密封彈性裝置。當(dāng)它周圍的壓力變化

pressure outside the device.                                時，會膨脹或收縮。

ANGLE GEARBOX, A part of an engine, mechanically            傘齒輪箱，

driven by the compressor, which drives the accessory          發(fā)動機(jī)的一部分。被壓氣機(jī)以機(jī)械方式驅(qū)動，然后驅(qū)動

gearbox. A mechanical device for changing the direction     附件齒輪箱。是改變驅(qū)動方向的機(jī)械裝置。