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- 可数强仿S-闭空间 E -convex programming
- 可数S-闭空间及可数仿S-闭空间 THE COUNTABLE S-CLOSED SPACES AND COUNTABLE PARA-S-CLOSED SPACES
- 可数仿S紧空间 countably para-S-compactness
- 可数S-闭空间 countably S-closedness
- 强仿紧空间 strongly paracompact space
- 闭 obstruct
- 关于近似强仿紧空间 On Nearly Strongly Paracompact Space
- Q-闭空间 Q-Closed Spaces
- 可数紧 countable compact
- WS-闭空间 WS-closed space
- 末日可数 one's days are numbered
- RSC-覆盖和S-闭空间 RSC-covering and S-closed Space
- 至多可数 at most countable
- 三维闭空间主动噪声控制的实验研究 Experiments on Active Noise Control in an Enclosed Three-dimensional Sound Field
- 指日可数 the days are numbered
- 历历可数的罪行；可数资产。 countable sins; numerable assets.
- 可数性状 countable character
- 可数紧度 countable tightness
- 可数概括 countably comprehensive principle
- 第二可数公理 second axiom of countability
