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| 文摘工作; 文摘社 | |||
| 文摘服务 | |||
| 文摘服务机构 | |||
| 专题文摘服务; 简介服务〔业务〕; 文摘〔摘要〕服务工作 | |||
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abstracting service : 6 phrases in 4 subjects |
| Earth sciences | 3 |
| Electronics | 1 |
| General | 1 |
| Oil processing plants | 1 |
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