YAW RATE, The rate at which the airplane moves 偏航率，

around the vertical axis (left, right).         飞机绕偏航轴运动的速率。

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英汉对照民用航空词典                             BOEING

Z

ZENER DIODE, A special type of diode which, when 齐纳二极管，

reverse biased, has a constant voltage drop. This 又称稳压二极管，是一种电子装置。正常电流可通行无

property makes zener diodes useful as voltage 阻，但反向电流则必须在电压达到预定值之后才能通过。

regulators.                                  在飞机电器系统内做为调压器之用。反向偏压时，它有一

                                             个恒定的电压下降。

ZERK FITTING, A device through which oil or grease is ZERK接头，

supplied for lubrication of moving parts.       ZERK公司出品，用以接收滑油或润滑脂，以润滑活

                                             动部件的装置。

ZFW, SEE - ZERO FUEL WEIGHT                  无燃油重量，

                                               见Zero Fuel Weight．

ZERO FUEL WEIGHT, The maximum allowable weight 无燃油重量，

excluding usable fuel.                         扣除可用燃油重量之后的最大允许重量。

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