AXIAL FLOW COMPRESSOR, A type of compressor            軸流壓縮機，

used in a gas turbine engine in which air passes through 一種用于燃氣渦輪發動機內的壓氣機�？諝庥砂l動機的

the compressor in a straight flow, front to rear.      前部軸向流人，壓縮后，由后部流出。

AXIS, An imaginary straight line or an actual physical 軸線，

component (such as an axle) around which a body can      可讓物體圍繞著作旋轉運動的一個想像的直線或實際

rotate.                                                存在的部件（如軸）。

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英漢對照民用航空詞典                                    BOEING

 B

BACKCOURSE APPROACH, An approach to a runway         反航道進近，

which is opposite the normal approach. For a           與正常進近相反的進近方向。當反航道進近時，無下滑

backcourse approach, glide slope signals are not     道信號并且航道信號也必須逆反。

available and the sense of localizer signals must be

reversed.

BACKGROUND DATA, Data shown on the EFIS that         背景數據，

does not readily change, for example, navigational aids. 顯示在電子飛行儀表系統上不經常改變的數據。例如：

                                                     導航設備。

BAFFLE, A partition in a tank or reservoir to prevent 緩沖隔板，

fluid movement in the tank or reservoir.               在燃油箱或滑油箱內阻止液體流動的隔板。

BALANCE TAB, A small hinged moveable part on the     隨動補償片，

trailing edge of a control surface (aileron, elevator, 鉸接在操縱面后緣（副翼，方向舵，升降舵）的可動部。

rudder).The tab moves in an opposite direction to the 隨動補償片的動作方向與操縱面相反，以幫助操縱面運

control surface for assisting movement of the control 動，減小操縱力。

surface.

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