Because we are putting values into the comparator to determine the relative ordering of two elements, the get-put principle tells us we want to use a super wildcard here.

由于将值放入到比较器来决定两个元素的相对顺序，get - put原则告诉我们在这里需要使用一个超通配符。

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This article expound the selective principle of diamond abrasive wheel and CBN wheel in an all-round according to the theory. And provide the international applied standard and ordering code name.

本文从理论上全面阐述了选用钻石磨轮和立方氮化硼磨轮的原则，并提供了国际上使用的标准和订购代号。

youdao

This article expound the selective principle of diamond abrasive wheel and CBN wheel in an all-round according to the theory. And provide the international applied standard and ordering code name.

本文从理论上全面阐述了选用钻石磨轮和立方氮化硼磨轮的原则，并提供了国际上使用的标准和订购代号。

youdao