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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.2011.07-虞美人盛开的山坡大家笑得更厉害，一个个东倒西歪。(1) Avoiding imminent danger in case of emergency;　　目前来看，第三季的剧情依旧是绝密，从不时发布的预告片中更是找不到任何关于故事的蛛丝马迹。不过，编剧马克·弗罗斯特最新出版的小说巨作《双峰:神秘史》中似乎故意透露了《双峰》故事的大世界观背后很多鲜为人知的神秘故事，更加吊人胃口。据悉，这部名为《双峰：神秘史》的小说中文版也会在2017年出版，值得期待。This time we went to Wangwan Village, Xichuan Town, Qin'an County, where we started my social practice this holiday. Practice, on the one hand, is to apply the theoretical knowledge we have learned in school to objective reality, so that the theoretical knowledge we have learned can be used. If we only learn but not practice, then what we have learned is equal to zero. On the other hand, practice can lay the foundation for finding a job in the future. Through this period of internship, I learned something that I could not learn in school. Because the environment is different, the people and things contacted are different, and the things learned from them are naturally different. We should learn to learn from practice and practice from study.民国时期的上海，一起脸谱连环杀人案引发城市的混乱，私家侦探陈一鸣卷入其中调查，并因此结识巡捕局长之子张天笑和海归美女姚菲，三人组成侦探团破获此案，陈一鸣却发现案件背后似乎还隐藏着更神秘的阴谋。在三人协作破获诸多案件的过程中，彼此之间的情谊逐渐加深。在揭开一个个真相的同时，陈一鸣的身世谜团也逐渐浮出水面。在收到神秘匿名信后，陈一鸣等人前去“日落别墅”参加晚宴，不料却因此陷入一场杀戮之中。陈一鸣与罪犯不断斗智斗勇，却惊觉真正的幕后黑手早已伪装在自己身边，为报弑父之仇酝酿着复仇计划。在愤怒、背叛、谎言的多重裹挟中，深藏其中的真相终将现世……