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The policy mode is the packaging of the algorithm, which separates the responsibility of using the algorithm from the algorithm itself and delegates it to different objects. Policy patterns usually wrap a series of algorithms into a series of policy classes. To encapsulate the policy pattern in one sentence is to "encapsulate each algorithm into a different policy class so that they can be interchanged". The following is the structure diagram of the policy mode:　　某天，自认已做好准备的汉娜按下了父亲那台信号发射器，不久美国方面便收到消息。艾利克当年的联系人玛丽莎（Cate Blanchett 饰）声称这个消失多年的特工掌握非常敏感的秘密，于是在她的主持下，一场居心叵测的围捕旋即展开。汉娜也已柔弱的身躯投入了血腥的战斗之中……　　On the other hand, humor management is constant and gives it its point of grace so that conflicts, which are very deep, can occur with a li...通过杨蓉给出的数据，肖亮知道，自己若是去学国术，别说国术宗师、国术大师，就算是入门，都不一定能入门。以戈登（伊德瑞斯·艾尔巴饰）为首的一群劫匪，近日来成为整个城市里最知名的人物，因为他们连续抢劫了多间银行，每次都能在警察赶来之前迅速脱身。这群劫匪手法专业熟练，对于他们来说，银行监控和保安都等于形同虚设，而警方更头疼的是，他们作案多次，却连丝毫线索也抓不到。戈登计划趁在被警方抓获之前，干最后一票然后收手。而警方也请来了经验丰富的老辣警官杰克探长（马特·狄龙饰），他意外得悉了戈登的计划，因此精心准备了天罗地网，等待着戈登一伙的行动……