three dimensional flow

• 三维流

three dimensional flow的用法和样例：

例句

1. Furthermore, instead of three basic geometries, as with 2-manifolds, the 3-manifold pieces can take any of eight canonical geometries.
   此外，和二维流形的三种基本几何不同，三维流形的每一部份可以是八种标准几何之一。