大多数控制系统属于“闭环式”范畴。

Most control system fall in the "closed-loop" classification .

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从这方面说数控系统是最典型的位置控制系统。

And NC system is the typical position control.

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从这方面说数控系统是最典型的位置控制系统。

And NC system is the typical position control.

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