 |
| |||
| 访问结构 | |||
| access structure: 13 phrases in 7 subjects |
| Agriculture | 1 |
| Cryptography | 3 |
| Electronics | 3 |
| Hydroelectric power stations | 1 |
| Nautical | 3 |
| Project management | 1 |
| Technology | 1 |
|
| |||
| 访问结构 | |||
| access structure: 13 phrases in 7 subjects |
| Agriculture | 1 |
| Cryptography | 3 |
| Electronics | 3 |
| Hydroelectric power stations | 1 |
| Nautical | 3 |
| Project management | 1 |
| Technology | 1 |