Caisson-cylindrical foundation structure is a new type of structure for breakwaters developed successfully in recent years. 摘要箱筒型结构是近年来开发成功的一种新型防波堤基础结构。
The compiler uses each data type keyword as an alias for the underlying structure or class. 编译器将每种数据类型关键字用作基础结构或基础类的别名。