It is emphasis on contravariance rule, covariance rule and closed-behavior rule that generic-special relation must abide in this paper.
本文重点研究了建立一般-系所必须服从的抗变性、协变形原则闭合行为原则。
It is emphasis on contravariance rule, covariance rule and closed-behavior rule that generic-special relation must abide in this paper.
本文重点研究了建立一般-系所必须服从的抗变性、协变形原则闭合行为原则。
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