Said drive (7) comprises a fixed stator (8) and at least one rotor (9) that can be displaced in relation to the stator (8).

电 子驱动装置（7）包括固定的定子（8）和至少一个相对于定子（8）可 移动的转子（9）。

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When considered the misalignment of rotors, the lowest modes were changed greatly, in which their vibrations of one rotor were fiercer than that of another one generally.

在不对中量的作用下，系统的模态要发生改变，对于低阶模态一般以其中一跨转子的振动为主。

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This minuscule rotor wiggled clockwise or anticlockwise as molecules bumped into it from one side or the other.

当分子从一边或另一边撞击这个微型转子时，它会顺时针或逆时针摆动。

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One way to increase the efficiency of a high-bypass jet engine is to turn the fan into an open rotor, a bit like returning to propellers, but using two rings of stubby counter-rotating blades.

ECONOMIST: A new way to build a greener jet engine