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3. The outer epidermis of the regular network cable also has certain ductility, also called elasticity. If the outer epidermis is inelastic, it is easy to break. Therefore, when buying the network cable, you can reduce a 0.5 meter long network cable and pull it to both sides. See if there is a crack in the middle or if the epidermis can extend to both ends. If there is no crack in the middle during the pulling process, and the epidermis can also extend to both ends, then the epidermis of this network cable meets the standard. In addition, we should pay attention to a problem. In the process of pulling, although some network cables have no cracks, there are obvious signs of whitening and thinning in the middle, which is also not in line with the standard.本剧改编自Marco Missiroli的同名畅销小说。故事舞台在21世纪中期的东京，那时东京已经因为温暖化而被密林所覆盖，被骤雨与恐怖的热带蚊所威胁的人们建起了以希腊巨神阿特拉斯命名的高塔移迁到了空中。但是并不是所有的人类都拥有这样的福利，贫困的人们仍然得留在地面与种种危机为邻过着艰辛的生活。摆在刚从少年教养院出来的少女面前的，是一大片危险的密林以及与个性各异的同伴一同参与进以性命做赌注的战斗的命运……Efficient DDoS Attack Detection and Analysis Tool FastNetMonLiz Bonnin presents a controversial and provocative episode of Horizon, investigating how new scientific research is raising hard questions about zoos - the film explores how and why zoos keep animals, and whether they need to change to keep up with modern science or ultimately be consigned to history.Should zoos cull their animals to manage populations? Liz travels to Copenhagen Zoo, who killed a giraffe and fed it to the lions, to witness their culling process first hand. They think it is a natural part of zoo keeping that is often swept under the carpet. Should some animals never be kept in captivity? In a world exclusive, Liz visits SeaWorld in Florida and asks if captivity drove one of their orcas to kill his trainer.But could zoos be the answer to conserving endangered species? Liz examines their record, from helping breed pandas for the wild to efforts to save the rhinos. She meets one of the last surviving northern white rhinos and discovers the future of this species now lies in a multimillion-dollar programme to engineer them from stem cells. Veteran conservation scientist Dr Sarah Bexell tells Liz the science of captive breeding is giving humanity false hope.该剧主要讲述了大妮和安妮这对来自河南兰考的亲姐妹一起跟随兰考县东乡副乡长兰文明带领的采棉队奔赴新疆采摘棉花，在采棉过程中，发生的小黑羊事件、网络视频事件、走光事件、窝工事件、撞牛事件、火灾事件等一系列突发事件牢牢绊住了兰文明。大妮忍辱负重，最后终于成长为不怕事、敢创业的新农民，而安妮通过直播平台成为网红棉花妹妹，并终于领悟诚实劳动、安身立命的深意。这部剧诙谐幽默中不乏真情实感，生动反映了当代河南人民勤劳善良的朴实品质，塑造了当代农民敢于追求梦想、勤奋踏实、努力奋斗的新时代光辉形象。第四次长沙会战结束，二龙的部队被打散，他带领一帮弟兄们回到安徽老家，准备和日本人打游击。新四军派出特派员李空山也在平坝镇周围活动，他的任务是找到当地自卫队的首领杨士奇，争取改编他们一起抗日。二龙救下了遭遇日军扫荡的李空山，却无意中误伤了自卫队的杨士奇。李空山说服二龙和自己一起去找杨士奇，二龙的身份却遭到了杨士奇的质疑。日军发起了大扫荡，在李空山的说服下，二龙和杨士奇终于加入了新四军的游击队。游击队接到命令，要去配合一次大规模的反扫荡战役，二龙和李空山决心带着自己的弟兄们留在平坝镇，拖住鬼子主力，掩护杨士奇带领游击队主力前去作战。最终，二龙等人与前来扫荡的日军同归与尽，抒写了一段抗日的传奇。