The motor that drives the robot's tail and a curved, girder-like stabilizer bar attach to the robot's upper body.

发动机驱动着机器人的尾巴和连接它上身那弯曲的像梁一样的固定装置。

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The horizontal stabilizer and elevator in the tail assembly of an aircraft.

飞机尾部的水平稳定器和升降舵。

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The horizontal tail sections are made up of the elevator and the stabilizer.

水平尾翼部分是由电梯和稳定剂。

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Meanwhile at Imperial College in London, Varnavas Serhides designed a plane that has no tail by taking advantage of advanced "fly-by-wire" controls and eliminating the need for a horizontal stabilizer and vertical tail, which also reduces drag.

BBC: The futurist: Will green aeroplanes take off?