data base file
| number
| data base file abbr. | |
| telecom. | 数据库文件 |
| number abbr. | |
| 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 |
| |||
| 数据库文件 | |||
|
data base file : 4 phrases in 3 subjects |
| Aviation | 1 |
| Desert science | 1 |
| Electronics | 2 |