topological space造句

1、The connectedness of grey topological space is studied.
研究灰拓扑空间的连通性。

2、There is a simple way of associating a topological space with a graph.
有一种把一个拓扑空间同一个图联系起来的简单的方式。

3、THE CONDITION THAT LINEAR TOPOLOGICAL SPACE CAN BE EQUIPPED WITH A β~*－NORM
拓扑线性空间可赋β─范数的条件