| |||
| 层次直接存取法 | |||
| 层次直接存取方法; 分层直接存取法; 分级直接存取法 | |||
|
hierarchic direct access method : 5 phrases in 2 subjects |
| Information technology | 2 |
| Technology | 3 |
| |||
| 层次直接存取法 | |||
| 层次直接存取方法; 分层直接存取法; 分级直接存取法 | |||
|
hierarchic direct access method : 5 phrases in 2 subjects |
| Information technology | 2 |
| Technology | 3 |