在实践中点半变异函数是未知的,半变异函数是通过具有一定体积的取样数据建立的。
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“Meanwhile” is a linking word commonly used in reviews and essays that do not have to adhere to the strict rules of academic writing, instead of “Furthermore”.
Many women have abandoned their ______ role as wife and mother. (traditional, traditionally)
对学生进行合作前培训的最佳形式是以“能力建设”为名组织学生做游戏,做活动,因为人很少会通过说教或讨论来接受或习得某种行为。