无刷直流电机pwm调速:remain of, remain in
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remain of ...
remain in ...
有什么区别?
e.g.
After the flood,nothing remained of the village.
After the war,he still remained in hiding
remain in ...
有什么区别?
e.g.
After the flood,nothing remained of the village.
After the war,he still remained in hiding
remain in
保持不变:继续保持同一种状态或情况:
These matters remain in doubt.
这些事情仍然值得怀疑
remain of ...
剩下
remain of vt.剩下
remain in 呆在家里