del [del]以下由轻松背单词网站提供
单词级别附加级基本释义n.微分算子,倒三角形&n.(DOS操作系统)删除文件命令参考例句It is also possible to delete a key: value pair with del. 也可以用del来删除关键字:值对。In this paper,by using Heath-H(?) del-mappings we give a characterizationof C-Semi-stratifiable spacs,C-Nagata spaces,KC-semi-stratifiable spacesand K-semi-stratifiable spaces. 本文用Heath-H?del映象给出C-半分层空间,C-Nagata空间,KC-半分层空间和K-半分层空间的一种刻划。 推荐阅读 |