CALIS | virtual
| reference system
| virtual | |
| gen. | 虚拟; 虚拟的 |
| econ. | 实际上; 事实上 |
| hydroel.st. | 虚的; 实际上的 |
| math. | 虚设; 虚功 |
| space | 有效的 |
| reference system | |
| auto. | 基准 系 |
| chem. | 参比系统 |
| el. | 参照 系统 |
| IT од. | 参考系统 |
| oil | 参照系 |
| space | 基准系统 |
| space од. | 参考系 |
| English thesaurus | |||
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| China Academic Library and Information System | |||
| China Academic Library & Information System | |||
| China academic library system | |||
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CALIS : 3 phrases in 1 subject |
| Librarianship | 3 |