The device could have unique functions mainly because of the position it would be adjusted.
该装置有特殊的功能，主要是因为它未来要调节到的位置。
To perform the duties and functions of an office or a position of authority.
现在有些单位执行得比较好，有些单位执行得差一些。
To perform the duties and functions of an office or a position of authority.
现在有些单位执行得比较好，有些单位执行得差一些。
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