Library Maintenance
| System
| library maintenance abbr. | |
| tech. | 程序库维护 |
| system abbr. | |
| gen. | 体 |
| IMF. | 安排 |
| interntl.trade. | 系统分析 |
| math. | SPOOLING 系统 |
| met. | 装置 |
| met. од. | 系 |
| tech. | 制度; 方法 |
| tech. од. | 体系; 系统 |
| |||
| 程序库维护 | |||
|
Library Maintenance : 7 phrases in 4 subjects |
| Aviation | 2 |
| Electronics | 2 |
| Space | 1 |
| Technology | 2 |