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Different combustion stages and the combustion performance of different fibers require corresponding flame retardants to be used to resist, thus forming various flame retardant mechanisms and interrupted flame retardant mechanisms. Flame retardant mechanisms can be broadly divided into the following types:　　总结一下，Short Circuit的核心是推陈出新。这个“新”主要体现在两方面——发掘新人才、利用新技术。至于视觉和故事上的创新，在有了新人和新技术以后，是水到渠成的事情。初中2年级的希对教练说：“我想参加新人战的第一轮比赛！”好几次都在祈祷。当自然不够……一位温文尔雅的美容师为病人提供了一个机会，让他们纠正他们认为大自然出错的地方。在一种非传统道德规范的约束下，美容师转而使用一种致命的精巧装置，让病人与美容师的非自然的美的概念保持一致。When she was "appointed" by the leaders at the two sessions that year, she was dressed in this conspicuous red dress. Since then, in order to get the right to ask questions as much as possible, many female reporters wear red coats every year.　　在壹线中学高二班这个小小的青春舞台上，围绕着牛晓晓和关俊成因小动作结识从陌生到成为挚友的过程展开了一系列妙趣横生又充满赤子匠心的小故事，在捧腹之间唤起人们对年少天真时光的回忆与懵懂感情的共鸣。Factory Pattern: Factory Pattern is a frequently used pattern. Classes implemented according to Factory Pattern can generate instances of one of a group of classes according to the provided data. Usually, this group of classes has a common abstract parent class and implements the same methods, but these methods perform different operations for different data. First of all, we need to define a base class. Subclasses of this class implement methods in the base class through different methods. Then you need to define a factory class that can generate different subclass instances according to conditions. After getting an instance of a subclass, developers can call methods in the base class regardless of which subclass instance is returned.