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The code for creating the object is encapsulated and the specific factory class is instantiated, thus achieving the purpose of encapsulation and instantiation. Encapsulating the code that creates the object in one place can also achieve the purpose of reuse and is more convenient for later maintenance. This also means that when the customer instantiates the object, he will only rely on the interface and not on the specific implementation. Help us to better achieve interface programming rather than implementation, making the code more flexible to cope with future extensions.而小苞谷那封家书，也通过特殊的途径，被送到了葫芦手中，后又转给板栗。《远大前程·双龙会》是《远大前程》番外篇，讲述了第四代上海大亨霍震霄（刘昊然饰）与江湖少年陈峥（陈昊饰）在狱中相识，并在各方势力恶斗的复杂环境下，二人从互不待见的冤家，走向合作，共同成长、完成蜕变的热血和勇敢无畏的故事。BIM technology can add time dimension to three-dimensional space model to carry out 4D simulation construction, which is conducive to the optimization of construction period. Based on BIM technology, 4D simulation construction can put forward a virtual construction scheme, which can pre-process various possible induced situations in the construction. The application of BIM technology in the construction stage can reduce possible errors in the process of information transmission and reduce rework.黛丝眼中汪满泪水，对着永平帝就跪下了，一边哭一边说，通译在旁结结巴巴地翻译。Public void setMemento (Memento memento) {