----------------------- Page 104-----------------------

英漢對(duì)照民用航空詞典                                 BOEING

MSL ALTITUDE, Altitude expressed in feet measured 平均海拔高度，

from mean sea level.                               以英尺為單位，由平均海平面量起的高度。

MUFFLER, A device in the pneumatic system for    消音器，

reducing the noise of the airflow through the pneumatic 在氣源系統(tǒng)內(nèi)，用以減低空氣流經(jīng)氣源管道所生的噪音

duct.                                            的裝置。

MULTIPLEXER, A device that allows two or more    多路傳輸器，

signals to be transmitted simultaneously on a single 一個(gè)能讓兩個(gè)或兩個(gè)以上的信號(hào)同時(shí)在一道傳送波，一

carrier wave, communications channel, or data bus. 條通訊線路，或一條資料數(shù)據(jù)總線上傳遞的設(shè)備。

N

N1 , Speed of the low pressure compressor rotor. N1轉(zhuǎn)子轉(zhuǎn)速，

                                                   發(fā)動(dòng)機(jī)低壓壓氣機(jī)轉(zhuǎn)子的轉(zhuǎn)速。

N1 BLOOM, A change in engine N1 and thrust indicated N1激增，

on the N1 gages and detected by the autothrottle BITE 油門保持過(guò)程中，在N1表上出現(xiàn)的由自動(dòng)油門自檢探

during throttle hold operation.                  測(cè)到的發(fā)動(dòng)機(jī)N1和推力的變化。

N2 , High pressure compressor rotor speed.       N2轉(zhuǎn)子轉(zhuǎn)速，

                                                   發(fā)動(dòng)機(jī)高壓壓氣機(jī)轉(zhuǎn)子的轉(zhuǎn)速。

NACELLE, A streamlined enclosure on the wing or  短艙，

fuselage for the engine.                           機(jī)翼或機(jī)身上為安裝發(fā)動(dòng)機(jī)而用的流線形殼體。

                                  TECHNICAL DICTIONARY                              103

----------------------- Page 105-----------------------

英漢對(duì)照民用航空詞典                                       BOEING

NAND GATE, An AND gate followed by an inverter to       非與門，

form a binary circuit in which the output is logic 0 if all 在與門后面緊跟著一個(gè)反向器的二進(jìn)制電路，當(dāng)所有