letter reference
| number
| letter reference | |
| interntl.trade. | 书信备查 |
| number | |
| bridge. | 大宕分 |
| econ. | 号 |
| interntl.trade. од. | 数目 |
| met. | 数值 |
| radio.amat. | 数字 |
| stat. | 总计; 个数 |
| tech. | 号数; 数字 |
| tech. од. | 数 |
| |||
| 书信备查 | |||
|
letter reference : 28 phrases in 8 subjects |
| Business | 9 |
| Economics | 5 |
| General | 1 |
| International trade | 6 |
| Law | 1 |
| Securities | 2 |
| Technology | 2 |
| Textile industry | 2 |