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2:不方便说的太直接，这恐怕已经是龙且最大程度上的谦逊了。再过来我真砍了。该片讲述了气候变化导致某国东部小镇山体滑坡，一种远古细菌开始复苏，护士苏萍和丈夫林栋在当地旅游团聚与多人被埋地下废墟。苏萍在拯救丈夫的同时保护儿童，经历药品、食物危机及人性考验，最终战胜危机。影片描述了领袖回乡省亲经历，表现了领袖实事求是的作风，当领袖听到基层干部虚报产量，不实事求是地回答问题时，语重心长地告诫他们一定要如实地对待生产，对待群众，对待自己。亲自纠正了韶山公社基层干部工作中的冒进思想。唐甜甜、阮绵绵、高晓晓、崔梅子等四人是某音乐学院同一宿舍的大四女生，在这大学时代最后的一个冬季，将注定是不平静的，也会留给她们永不磨灭的友情记忆。FlyWeightFactory is responsible for creating and managing meta-units. When a client requests, the factory needs to check whether there are eligible objects in the current object pool. If so, it returns the existing object. If not, it creates a new object. FlyWeight is a superclass. When it comes to shared pools, It is easy to think of JDBC connection pooling in Java, Considering the characteristics of each connection, It is not difficult for us to sum up: Applies to several objects that are shared, They have some common attributes, Take the database connection pool as an example, url, driverClassName, username, password and dbname, these attributes are the same for each connection, so it is suitable to use the meta-sharing mode to process, build a factory class, take the above similar attributes as internal data and the others as external data, and pass them in as parameters when calling methods, thus saving space and reducing the number of instances.