義詞是亮。

DIODE, A device which allows electronic current to flow 二極管，

in only one direction                                     只允許電流向一個方向流動的電子裝置。

DIPSTICK, A calibrated rod or stick for measuring a     量尺，

quantity of fluid in a reservoir.                         校準(zhǔn)過的棒或尺，用于測定蓄液器內(nèi)液體的量。

DIRECT, Straight line flight between two navigational   直飛，

aids, fixes, points or any combination thereof. When      兩個導(dǎo)航臺，定位點，導(dǎo)航點，或任何的組合之間的直

used by pilots in describing off-airway routes, points  線飛行。在被飛行員用于描述偏置航路時，除了在雷達(dá)控

defining direct route segments become compulsory        制的情況下，確定直線航段的導(dǎo)航點成為必報點。

reporting points unless the aircraft is under radar

control.

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英漢對照民用航空詞典                                       BOEING

DIRECT MEMORY ADDRESSING, Data transfer within          直接存儲器尋址，

a computer directly with the memory without central       不通過中央處理器，計算機(jī)數(shù)據(jù)與記憶的直接傳輸。

processing unit intervention.

DISARM, A component when disarmed is not ready to       解除預(yù)位，

operate.                                                  解除預(yù)位后的部件，不能立即開始工作。

DISK VALVE (OBSOLETE TERM - BUTTERFLY                   盤式活門，（老式叫法：蝶形活門），

VALVE), An actuator-operated, rotating device in a duct   利用作動簡進(jìn)行操作，安裝在管道上的旋轉(zhuǎn)裝置。用來

for closing and opening the duct passage.               控制管道的通斷。

DISPATCH DEVIATION, Variation from certified            缺件放行形態(tài)變動，

configuration which is authorized by MEL or CDL to        從最低設(shè)備清單和缺件單準(zhǔn)許的飛機(jī)安全操縱形態(tài)的