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还有手，也是常摸摸这、摸摸那的，也不干净，所以不准吃手指头。The fundamental reason for using design patterns is to adapt to changes, improve code reuse rate, and make software more maintainable and scalable. In addition, the following principles should be followed when designing: single responsibility principle, open and closed principle, Richter substitution principle, dependency inversion principle, interface isolation principle, composite reuse principle and Dimit principle. Each design principle is described below.The request is passed on, and from the aspect of performance, the long chain of responsibilities is avoided to improve the performance.在2017年7月8日，当地9点—9点半在东京电视台开始播出"Do enough foreplay so that everyone can enter a state of psychological preparation and then welcome death." He Yihe explained.为了对付非法在地球居住的平民百姓，成立特殊警察“AIEN HUNTER”用武力强行驱逐或干脆实行杀戮。