of drive.

ANGLE OF ATTACK, The angle of the wing chord in             迎角，

relation to the free stream airflow as it moves forward       機(jī)翼翼弦在空氣中向前運(yùn)動(dòng)時(shí)與自由氣流之間的夾角。

through the air.

ANGLE OF INCIDENCE, The acute angle which the               安裝角，

wing chord makes with the longitudinal axis of the            飛機(jī)的縱軸與機(jī)翼弦線所形成的銳角。

aircraft.

                                         TECHNICAL DICTIONARY                                         10

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

ANNUNCIATIONS, Audio or visual indications used to    通告，

call attention to an event that has taken place.        當(dāng)發(fā)生事件時(shí)，以聲音或目視指示形成的提示信號(hào)。

ANNUNCIATOR, A visual device consisting of a number   信號(hào)牌，

of lights. Each light indicates the condition which exists 由一系列指示燈組成的目視裝置。每個(gè)指示燈都有相應(yīng)

or has existed in an associated circuit and is labeled 的標(biāo)記，用來(lái)顯示與之有關(guān)的電路的現(xiàn)有情況或已存在的

accordingly.                                          情況

ANODE, The element toward which the principal stream  正極，

of electrons flows.                                     主電子流向的極位。

ANOMALY, Not normal.                                  異常，

                                                        不正常。

ANTENNA, A device which, used in conjunction with a   天線，

transmitter or receiver, is used for radiating or receiving 一種與發(fā)射機(jī)或接收機(jī)共同工作來(lái)發(fā)射或接收無(wú)線電

radio waves.                                          波的裝置。

ANTI-ICING, A method of preventing ice formation on   防冰，