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-特殊关系所必须服从的抗
、
形
闭合行为。
,逆[抗]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-特殊关系所必须服从的抗、形闭合行为。
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