词汇	idempotent operator
释义	idempotent operator 幂等算子
随便看	The plan depends on,split second timing the plain The plain bristled with bayonet the plain-clothes police The plain of Eris Aman The plain opened before us The Plain People of China the plains The plains allowed the army a free passage The plains of Alberta are extremely fertile The Plains of Purple Dust the plains states The plains were overrun by Tartar hordes the Plain Theory the plaintiff The plaintiff accused the defendant of fraud The plaintiff contested the will The plaintiff eligible The plaintiff has no case the plaintiff qualification the plaintiff qualified the plaintiff versus the defendant The plaintiff was awarded damages the plain truth is that The plain water quality is very poor