wing.

WING GEAR, The landing gear attached to the wing       翼下起落架，

structure.                                               接连到机翼结构上的起落架。

WING ROOT, Part of the wing which is attached to the   翼根，

fuselage.                                                机翼上，与机身相接的部份。

WORD, In a digital computer, a word is a group of bits 字，

with a specified length. The typical digital word is eight 在数字计算机中，一个字是由一定长度的一组字节所组

bits long.                                             成。一个典型的数字字，有8个字节。

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英汉对照民用航空词典                              BOEING

WRAP AROUND, A BITE test comparing the        回测，

computer's output signal with an internally stored value. 自检系统对计算机的输出信号和内部的存储值进行比

                                              较测试。

X

XTK, SEE - CROSS TRACK                        交叉航迹，

                                                见 Cross Track．

Y

YAW AXIS, A vertical axis passing through the airplane 偏航轴，

from top to bottom. Airplane left and right movement 又称垂直轴。由飞机上部通向底部的垂直轴。飞机绕此

controlled by the rudder. (See Vertical Axis). 轴运动即造成机头的左右运动，这种运动是由方向舵来操

                                              纵的。

YAW DAMPER, A system that is used to move the 偏航阻尼器，

rudder a small amount to oppose airplane yaw.   用来少量移动方向舵，以抵消飞机偏航的系统。