Demo Stories Pills Dictionary Annotator For Schools Download App

Demo Stories Pills Dictionary Annotator For Schools Download App

Dictionary/等价关系

等价关系等價關係

děng jià guān xì

ㄉㄥˇ ㄐㄧㄚˋ ㄍㄨㄢㄒㄧˋ

Phr

1(math.) equivalence relation

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