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9. The term "in voyage" means that the ship is not at anchor, moored or stranded.Based on the BIM model of the industry plan. The information model provides spatial location data, which can be adjusted at any time through collision inspection to achieve the purpose of rapid optimization. Collision detection is automatically completed by BIM system, and detection reports are listed in real time to avoid manual inspection omission. Compared with traditional CAD methods, collision detection has higher efficiency and accuracy.于洪天和杜健康来到健康制药，却发现资料已经被删除。正在杜健康重建文档的时候，整栋大楼的电源被邓斌切断。于洪天带着杜健康逃出大楼，躲进地下停车场。于洪天教杜健康怎样用枪，两人决定并肩奋战，直到耿鹃带人支援。在与邓斌的激战中，杜健康为了掩护于洪天被子弹打中。最终黑虎将邓斌抓住。邓斌供认说自己就是天堂鸟。专案组经过讨论认为邓斌应该不是天堂鸟，他身后应该还有更大的敌人Although there are subclasses in java that implement the interfaces of the parent class, But I think javascript can be different from java, It is possible that the parent class in java is an empty class, Subclasses to implement the interface of the parent class, in javascript, I think the common code is completely written in the parent function. If the business logic needs to be changed in the future, or new business logic is added, we can completely use subclasses to rewrite the parent class, so the code has strong scalability and is easier to maintain. Since I am not a professional java, please understand if there is any mistake in describing the knowledge points in java ~ ~　　表面看似完美幸福的一家人，却没发现一场风暴即将来袭……The above is only a model of "Long En" bicycle, If you need to generate other types of bicycles, Other subclasses can be written. The most important advantage of factory mode is that some of the same methods can be implemented. We can write code in the parent class for these same methods. If we need to implement specific business logic, we can rewrite the parent class's methods in the subclass to implement our own business logic. In terms of professional terms, there are two points: First, weaken the coupling between objects and prevent code duplication. Instantiating a class in a method eliminates repetitive code. Second: Repetitive code can be written in the parent class. Subclasses inherit all member attributes and methods of the parent class. Subclasses only focus on implementing their own business logic.Global trade is a hammer and a board! Will it work