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| retrieval by on-line search | |||
| on-line retrieval; on-line searching | |||
| online retrieval; online searching | |||
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| on-line retrieval | |||
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联机检索 : 31 phrases in 13 subjects |
| Agriculture | 1 |
| Computer networks | 1 |
| Computers | 1 |
| Data processing | 1 |
| Earth sciences | 1 |
| Electronics | 8 |
| Information technology | 5 |
| Librarianship | 2 |
| Space | 2 |
| Statistics | 1 |
| Technology | 3 |
| Telecommunications | 4 |
| Textile industry | 1 |
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