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I degree atrioventricular block, simple sT-T changes excluding organic lesions are qualified.无论多么完美的犯罪，都会留下蛛丝马迹，而古畑刑警正是这些线索的发现者！Tyrone Johnson 可以将他人吞噬到黑暗斗篷之中，而 Tandy Bowen 可以将光变幻为锋利的匕首。两人的使命感会使他们原本就复杂的世界变得更具挑战性。Interception can be done at three levels.For example, in Java, the Selector's select () method is used to implement this synchronous blocking operation waiting for an event to occur. In the implementation of select () under Linux operating system, a) will call epollCtl (epfd, opcode, fd, events) to register the events that have been registered in Initiation Dispatcher into Linux system, where fd means Handle and events means Handle events that we are interested in; B) Synchronize the occurrence of a blocked wait registered event by calling the epollWait method. Events on different event sources may occur at the same time. Once an event is triggered, the epollWait method will return. C) Finally, find the associated SelectorKeyImpl object by the event that occurred, set the event that occurred to the ready state, and then put the SelectorKeyImpl into the selectedSet. In this way, we can get the event-ready SelectorKeyImpl collection through the Selector.selectedKeys () method.