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Avoid coupling the sender and receiver of the request, make it possible for multiple objects to receive the request, connect these objects into a chain, and pass the request along this chain until an object processes it. This is the responsibility chain mode. In the responsibility chain mode, it is possible for each object to process the request, thus realizing decoupling between the sender and receiver of the request. At the same time, the responsibility chain mode simplifies the structure of the object, which makes each object only need to refer to its successor without knowing the whole chain, thus improving the flexibility of the system and making it more convenient to add new request processing classes. However, we cannot guarantee that all requests can be processed in the responsibility chain, and it is not conducive to observing runtime characteristics.赵光头木木摇头，我不愿上岸，也不愿船主上岸。几秒之后，吴琳琳惊奇的发现天启竟然回复她了。A. Men: single paddle, double paddle, double paddle without helmsman, double paddle without helmsman, four paddle without helmsman, four paddle without helmsman, four paddle with helmsman, eight paddle with helmsman;他以鸣镝射头曼单于的宝马，左右无一人不射。被游戏抢走了初恋男友的童谣，在签约ZGDX战队后，发誓要用实力证明女生也能打好电竞。随后，她不但用实力证明了自己，也和队长陆思诚萌生了感情。最终，在OPL的全国总决赛中，童谣和陆思诚一起带领着ZGDX捧起了冠军奖杯。Http://bbs.a9vg.com/thread-5259795-1-1. Html