Aiming at the position servo system of NC machining tool, this paper designs a kind of control arithmetic on compound sliding variable structure for its controller.

针对数控机床的位置伺服系统，为其控制器设计了一种复合滑模变结构控制算法。

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This paper puts forward a method to distinguish the mix pixel of remote sensing by hue compound probability recognise arithmetic.

提出了一种利用色调合成概率识别算法判别遥感影像中混合象元的方法。

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In a moment, well give a hint about the compound arithmetic that makes this so.

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