Hierarchical Direct Access
| Method
| hierarchical direct access abbr. | |
| telecom. | 层次直接存取 |
| method abbr. | |
| gen. | 法; 标准; 水平 |
| environ. | 方法 |
| hydroel.st. од. | 方法 |
| mech. | 电火花法 |
| |||
| 层次直接存取 | |||
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Hierarchical Direct Access : 14 phrases in 4 subjects |
| Electronics | 3 |
| Information technology | 3 |
| Technology | 5 |
| Telecommunications | 3 |