Revoke the registration of the object currently found under this key in the internally-maintained table of contextual object parameters, if any such key is currently registered.

 
  • 撤消当前在此项(它位于内部维护的上下文对象参数表中)下面找到的对象的注册(如果当前注册了任何此类项的话)。
今日热词
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