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The main purpose is to make oneself understand more deeply, and also hope to make it easier for readers to understand without feeling dry.10-12That is to say, the less a class knows about the classes it depends on, the better. In other words, no matter how complex the dependent class is, the logic should be encapsulated inside the method and provided to the outside through the public method. In this way, when the dependent class changes, it can minimize the impact on the class.遵义会议”召开前夕，红军的一支特遣队来到赤水河地区开展敌后工作。这支队伍的主要任务是为了保存红军的有生力量，在当地发展壮大红军队伍。但是国民党嗅出了红军特遣队的目的，派出爪牙古月贵在当地组建民团，企图就地消灭红军。当地既有土匪和民团等敌对势力，再加上百姓对红军的误解，特谴队可谓身陷前有堵截后又追兵两翼有埋伏的绝地。就在如此险恶的环境下，红军特遣队与敌斗智斗勇，同各方巧妙周旋，不但杀出了绝地而且发展壮大了红军队伍，走向光明。在目睹了一起自杀后，一名毫不起眼的警察决定独自调查两起被忽视的案件，均与虐待妇女有关。"On Improving Squat Speed in Snatch"Oriental Education Times Micro Signal: DFJYWX Sharing: Please Click on the Upper Right Corner of the Mobile Phone Screen