From "the host" galleries out biological could see upstairs of elevator. In order to save time, we first by the edge of the elevator up to the second floor!

从“生物万象”展区出来就可以看见上楼的电梯。为了节约时间，我们先由西端的电梯上到二楼吧。

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BALANCE TAB, a small hinged moveable part on the trailing edge of a control surface (aileron, elevator, rudder).

随动补偿片，铰接在操纵面后缘(副翼，方向舵，升降舵)的可动部。

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ELEVATOR, a hinged moveable part on the trailing edge of the horizontal stabilizer for airplane pitch (nose up and nose down) control.

升降舵，铰连在水平安定面后缘上的可动部件。用以操纵飞机的俯仰运动(机头朝上及朝下)。

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ELEVATOR, a hinged moveable part on the trailing edge of the horizontal stabilizer for airplane pitch (nose up and nose down) control.

升降舵，铰连在水平安定面后缘上的可动部件。用以操纵飞机的俯仰运动(机头朝上及朝下)。

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