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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.Name: Jayden2.3经好友刘明浩介绍，杨瑞参加了京师体校跆拳道训练班，他在那里认识了干杂工的安心。安心清纯的外貌，忧郁的眼神、迷一样的身世深深吸引了杨瑞。随着他们交往的增多，杨瑞渐渐知道了安心坎坷复杂的经历……Analysis: JS floating-point number operation cannot accurately express decimals. When will it be accurate? I don't know (-).B. Women: Team, Individual All-round, Vault, Uneven Bars, Balance Beam, Floor Exercise, Rhythmic Gymnastics Individual All-round and Team All-round, Trampoline Individual Competition.可以说正是因为范家的支持，才值得秦国那么更快地完成了统一大业