控制舵面：副翼，升降，方向。

Control Surface: Aileron, Elevator and Rudder.

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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。

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

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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)。

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

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