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我和老师有些话要说，你单独一边去好不好？程雪菲轻轻拍拍妹妹的小脸蛋。瑞秋，一个犹太裔美国医生，和一个阿拉伯裔美国政府官员杰克，在整个中东地区进行着一场徒劳的追逐，试图解决蕾切尔的寻宝兄弟的神秘死亡。从洛杉矶到约旦的沙漠，再到古城佩特拉，他们发现自己被一个叫做阿勒斯顿的世界末日团体所追捕，他们相信瑞秋和杰克拥有失踪的死海卷轴，这可能会导致末日的来临。兵来将挡，水来土掩。Grenades (mines x 5)远途劳顿不说，又耽误书院大事。The template method pattern consists of two parts, The first part is the abstract parent class, The second part is the subclass of concrete implementation. Generally, the abstract parent class encapsulates the algorithm framework of the subclass, including implementing some common methods and encapsulating the execution sequence of all methods in the subclass. The subclass can inherit the parent class and rewrite the methods of the parent class in the subclass, thus realizing its own business logic.Time relays are divided into two types: on-time delay type and off-time delay type, and their symbols are shown in the following figure. For the power-on delay type time relay, when the coil is powered on, the power-on delay type contact acts after the delay time (the normally closed contact is opened and the normally open contact is closed), and the contact immediately returns to normal after the coil is powered off; For the power-off delay type time relay, when the coil is powered on, the power-off delay type contact acts immediately (the normally closed contact is opened and the normally open contact is closed). After the coil is powered off, the contact will not return to normal until the delay time is passed.