| |||
means of security | |||
safety measures; safety methods; safety precaution | |||
security measure | |||
safety control; security control | |||
| |||
security measures |
保 安 措施 : 12 phrases in 10 subjects |
Architecture | 1 |
Automobiles | 1 |
Aviation | 1 |
Business | 1 |
China | 1 |
Computer numerical control | 1 |
Economy | 2 |
Hydroelectric power stations | 1 |
Space | 1 |
Technology | 2 |