缺点：突停动作启动位置高了点，所以着陆不是太果断。

MINUSES: the snap is initiated too high, so the landing is not very decisive.

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试验表明，该方法能实现对电机转子启动位置的精确控制。

The test results indicate that the system can realize comparatively precise position control of the motor.

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同样，安全开关也可以是机械互锁装置，当汽车挂挡后不允许点火开关转到启动位置。

It can also be a mechanical interlock device that will not let the ignition switch turn to start if the car is in the gear.

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