常見例句There is a simple way of associating a topological space with a graph.有一種把一個(gè)拓?fù)淇臻g同一個(gè)圖聯(lián)系起來的簡(jiǎn)單的方式。In this paper, some related problems on the topological space are discussed and the regular open separation is obtained.在此基礎(chǔ)上，研究和討論了拓?fù)淇臻g的分離性問題，獲得正則開分離性的一些結(jié)果。 返回 topological space