| reference | |
| gen. | 定位; 核对位置; 给…加参考符号; 注明资料来源 |
| data storage and retrieval | |
| interntl.trade. | 数据储存和检索 |
|
geographically : 19 phrases in 10 subjects |
| China | 1 |
| Earth sciences | 2 |
| Economics | 1 |
| Geography | 2 |
| Law | 3 |
| Nautical | 1 |
| Security systems | 1 |
| Space | 1 |
| Technology | 3 |
| Telecommunications | 4 |