普遍的球赛后备球员是五个,可换的名额为三个。
The match is generally five reserve players may change places for three.
分析得到了套管实际可换热的最大有效长度。
Analyze the effective length of thimble practice heat transfer.
本发明还提供用于这种牙刷的可替 换的头部。
The invention further provides replaceable heads for such a brush.
本文的目的是证明关于结合环可换性的三个定理。
The object of this paper is to prove three theorems of associated ring's commutativity.
利用定积分换元公式,可推导出一些非常实用的积分公式。
Several applied integral formula can be deducted from the method.
利用定积分换元公式,可推导出一些非常实用的积分公式。
Several applied integral formula can be deducted from the method.
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