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The picture shows Mr. Sun (first from the left) discussing with the team members.Practical purposes: College students' popular science activities in rural areas, go deep into the countryside to carry out investigation activities such as environmental sanitation status investigation, villagers' attitude investigation towards the new rural cooperative medical system, popular science knowledge investigation, etc., to publicize scientific planting knowledge and improve environmental protection awareness. At the same time, let college students really go out of the school gate, contact with the society, understand the national conditions, increase their knowledge and get exercise in practice, put the knowledge learned in the school into practice, increase social experience, so as to better participate in public health work in the future.屡获殊荣的《大西洋帝国》（Boardwalk Empire）第三季将于北京时间9月17日播出，本季为12集。《大西洋帝国》再现了美国禁酒令时期（1920-1933年）大西洋城这个海滨小城阴暗面的生存状况。《大西洋帝国》的编剧是《黑道家族》的编剧特伦斯·温特，该剧根据作家Nelson Johnson的原著《海滨帝国：大西洋城的诞生，鼎盛以及堕落》(Boardwalk Empire:The Birth, High Times and Corruption of Atlantic City)改编。二十多年前，为了出人头地而不择手段的周信，离间刘培与怀有身孕的李明，并将刘培据为己有，成功嫁与刘培；二十年后，刘培婚内婚外所生的两个女儿明明、真真，在不同的家庭环境下长大成人。由于冥冥之中的因缘际会，两个女孩相遇相识、迅速相知，当纯真的友情刚刚建立，她们却面临了爱上同一个男人、竞争同一份梦想事业的挑战，竟而更卷入了上一代遗留的恩怨情仇之中。历经种种考验，贫民出身、罹患绝症的真真得到了应属于自己的幸福和事业的成功，并以绝大的包容和真爱使得有罪的周信对犯下的错误深深忏悔；最终，真真与同父异母的妹妹明明重归于好。好了，我知道陈兄心有猛虎。 　新剧《芝加哥急救》获得NBC第二季续订。Some recent systems basically default to 1024 bytes of backlog size, but many servers on the network configure it to 128 bytes or less. Usually, the time threshold for retransmitting SYN-ACK is 5 seconds, which is twice the normal successful reception time. The default timeout time is 3 seconds, and the time from the first SYN-ACK to its TCB being recovered is 189 seconds.