security against
| function
| security against | |
| tech. | 防御 |
| function | |
| gen. | 运行; 工作 |
| hydroel.st. | 作用 |
| interntl.trade. | 效用; 职能 |
| light. | 功能，用途 |
| math. | 运算 |
| met. | 功用; 用途 |
| |||
| 防御 | |||
|
security against : 21 phrases in 8 subjects |
| Business | 4 |
| China | 3 |
| Cryptography | 1 |
| Finances | 2 |
| Law | 6 |
| Securities | 2 |
| Technology | 2 |
| United Nations | 1 |