证明了相对正规分离性是遗传的、相对闭集传递的、弱同胚不变的、L -好的推广性质。
It is proved that relative hereditary, relative closed transition, weak homeomorphic invariant, L-good extension are all valid.
本注记给出局部S-闭空间X是极不连通的充要条件是X中每个相对X是S-闭的半正则于集是闭集。
Locany S-Closed Space is extremally disconnected if and only if every semi-regular S-closed set relative to X is Closed set.
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