Methods L-closure spaces,some special maps between them and normal L-closure spaces are defined. Also,characterizations of these maps are given. Furthermore,Urysohn lemma on L-closure spaces is proved.是什么意思_Methods L-closure spaces,some special maps between them and normal L-closure spaces are defined. Also,characterizations of these maps are given. Furthermore,Urysohn lemma on L-closure spaces is proved.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句