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单词	idempotent
释义	idempotent 1 of 2 adjective idem·​po·​tent ˈī-dəm-ˌpō-tᵊnt  : relating to or being a mathematical quantity which when applied to itself under a given binary operation (such as multiplication) equals itself also : relating to or being an operation under which a mathematical quantity is idempotent idempotent 2 of 2 noun plural idempotents : a mathematical quantity which when applied to itself under a given binary operation (such as multiplication) equals itself also : an operation under which a mathematical quantity is idempotent Word History Etymology Adjective Latin idem same + potent-, potens having power — more at potent First Known Use Adjective 1870, in the meaning defined above Noun 1870, in the meaning defined above
随便看	have anything to say about have anything/something to say about have at have back have bearing on have coming have designs on have differences have done have done (with) monkeys (with) monkeys about monkeys about with monkeys about with something monkeys around monkeys around with monkeys around with something monkeys with monkeyshine monkeyshines monkeytail monkeywood monkeywrenches monkeywrenchs monkfish

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