| |||
| 分级管理 | |||
| 层次直接; 分级直接存取法 | |||
|
hierarchical direct : 17 phrases in 4 subjects |
| Electronics | 4 |
| Information technology | 3 |
| Technology | 7 |
| Telecommunications | 3 |
| |||
| 分级管理 | |||
| 层次直接; 分级直接存取法 | |||
|
hierarchical direct : 17 phrases in 4 subjects |
| Electronics | 4 |
| Information technology | 3 |
| Technology | 7 |
| Telecommunications | 3 |