 |
| 安全率: 31 phrases in 14 subjects |
| Agriculture | 1 |
| Automobiles | 1 |
| Aviation | 1 |
| Business | 1 |
| Desert science | 1 |
| Earth sciences | 1 |
| Economy | 1 |
| Electronics | 7 |
| Finances | 1 |
| Project management | 1 |
| Securities | 3 |
| Skydiving | 1 |
| Space | 2 |
| Technology | 9 |
|
| 安全率: 31 phrases in 14 subjects |
| Agriculture | 1 |
| Automobiles | 1 |
| Aviation | 1 |
| Business | 1 |
| Desert science | 1 |
| Earth sciences | 1 |
| Economy | 1 |
| Electronics | 7 |
| Finances | 1 |
| Project management | 1 |
| Securities | 3 |
| Skydiving | 1 |
| Space | 2 |
| Technology | 9 |