本文验算了J-7飞机的稳定边界和前操纵边界，简单分析了其重心使用范围。

This paper checked stability boundary and front control boundary for J-7 aircraft, analysed simply it's operating range of the c. g. position, estimated and discussed the c.

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加工前操纵职员只要将相关补偿值输入到划定的储存器中，数控系统就能自动进行刀具补偿。

Processing staff before the related to manipulate as long as input to the value compensation defined in the packet, numerical control system can be automatically tool compensation.

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三年前，一个研究小组断言犬类也会这么做，他们进行了类似的实验，不过是让一条狗观察另一条狗用它的爪子或者嘴巴去操纵一个把手。

Three years ago a group of researchers asserted that dogs could do the same, using a similar experiment, but with a dog watching another dog using its PAWS or mouth to manipulate a handle.

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