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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.清末年间，南浔“八牛”之一的丝商洪福齐儿女绕膝，虽元配早年病故，幸喜娶得一房经营船菜馆的姨太太温柔贤慧，门前“洪福齐天”金匾高悬。但一家和和美美的表相却也暗藏危机，由姨太太带来的遗腹子洪文禄并非亲生，福齐对他自然另眼相看，文禄心理自卑且刻毒，总想有一天以紫夺红，为此暗设陷阱。  　　洪家长子文光参加革命党，文禄暗中告官，使文光难逃横祸，进而更株连全家。其时又逢洪家女儿雯蔚与仆人金宝相爱并怀孕，文禄又假充好人助雯蔚与金宝私奔，趁机剪除了自己谋夺家产的最后障碍。然后文禄亲自动手谋害了避祸他乡的福齐，将洪家产业全部占为己有。文禄生母亲睹惨烈一幕，惊吓成疯。雯蔚与金宝私奔中失散，回到南浔发现巳家破人亡，更误会自己爱人金宝也参与其中，走投无路之际欲投河自尽，幸被渔夫彭海救起，为报恩与之成婚，育有一子，从此一富家小姐沦为贫穷船娘。然而，文禄发现雯蔚苟活在世还要赶尽杀绝，彭海为保护雯蔚母子舍生赴死。板栗对她咧嘴一笑，也不道谢，掏出匕首将兔子分割成小块，递一块喂进她嘴里，自己再吃一块，一边吃一边含笑看着她。Console.log (Baidu leader has come for an interview);一朝脱困而出，他依然要反天，为秦皇征战三界。