试题与答案

刀位点是刀具上代表刀具在工件坐标系的一个点,对刀时,应使刀位点与对刀点重合。()

题型:判断题

题目:

刀位点是刀具上代表刀具在工件坐标系的一个点,对刀时,应使刀位点与对刀点重合。()

答案:

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参考答案:B解析:[考点] 委托创作作品的著作权归属问题 《著作权法》第17条规定:受委托创作的作品,著作权的归属由委托人和受托人通过合同约定。合同未作明确约定或者没有订立合同的,著作权属于受托人。本案...

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题型:单项选择题

The law of diminishing returns states that at some point:()

A. as less of a resource are devoted to production, holding the quantity of other inputs constant, the output will decrease, but at an increasing rate.

B. as more of a resource is devoted to production, holding the quantity of other inputs constant, the output will increase, but at a decreasing rate.

C. as more of a resource is devoted to production, holding the quantity of other inputs constant, at some point output will begin to decrease.

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