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ModuleSince UDP is not a connection protocol, it has the advantages of low resource consumption and fast processing speed. Therefore, UDP is usually used more in audio, video and ordinary data transmission, because even if they occasionally lose one or two data packets, they will not have much impact on the reception results. For example, ICQ and QQ we use to chat are UDP protocols.　　一日天降异象，有些小晶石及一人跌进虾家，虾为那人疗伤后，发现白果堆中有十颗小晶石，虾不以为意，放在一旁。板栗点头，低声道：别说了。往来交结的又都是书香子弟，见识自然不差。Aviation units mainly carry out tactical training, combined with combat missions, focusing on combat technology and tactical application training to improve their ability to carry out missions under complex conditions. Every year, tactical, technical, theoretical and physical assessment is organized, and flight grade assessment is carried out, and pilots of Grade I, II and III are respectively assigned. The purpose of aviation unit training is to enable each pilot to master the combat technology of advanced aircraft and be able to undertake combat missions.