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The SYN-ACK retransmission number server sends the SYN-ACK packet. If the customer confirmation packet is not received, the server retransmits for the first time, waits for a period of time but still does not receive the customer confirmation packet, and retransmits for the second time. If the retransmission number exceeds the maximum retransmission number specified by the system, the system deletes the connection information from the semi-connection queue. Note that the waiting time for each retransmission is not necessarily the same.行动间。通译跪下说，他是抗议玄武王弟弟想悔婚。Illustration of the incident她知道，只要板栗哥哥在自己身边，她就不用担心自身安危，因此心无旁骛地寻机刺杀敌人。However, offline organizations also have many limitations in the process of large-scale development. First, their enrollment and teaching staff construction are limited by regions. Second, it is facing the problem of expansion in different places brought about by the choice of stores and different policies for running schools in different places. Third, the investment required for the construction and management of its stores is relatively heavy. Fourth, there is a shortage of outstanding management talents and it is difficult to duplicate store management talents.(two) the qualification is cancelled according to law, continue to engage in social fire technical service activities;