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生离死别，家属少不得来送行，哭泣声，叹息声，嘱咐声乱成一片。落红。只要你成为统一六国的秦始皇。Handle (Handle or Descriptor, referred to as Handle under Windows and Descriptor under Linux): Essentially represents a resource (such as file descriptor or socket descriptor for network programming) provided by the operating system; This resource is used to represent events one by one, which can come from both the outside and the inside. External events such as the client's connection request, the data sent by the client, etc.; Internal events such as timing events generated by the operating system. It is essentially a file descriptor, and Handle is the birthplace of events.Let's explain the concepts of two "offline", one is "subjective offline" and the other is "objective offline".On July 23, ZTE's first 5G mobile phone also began to be pre-sold. With the full spread of 5G network construction, a new wave of machine exchange boom is coming.