three-dimensional solid

• 三维实体

three-dimensional solid的用法和样例：

例句

1. The algorithm describes subobjects by the use of the boundary representation and assembles subobjects into 3D objects based on the constructive solid geometry philosophy.
   该算法采用边界表示法描述了实体，并根据结构式立体几何思想把子实体装配成三维实体。