external security | |
exhib. | 外部安全性 |
testing | |
econ. | 检测 |
fin. | 试査 |
hydroel.st. | 检验; 试验; 检定 |
met. | 研究; 测定 |
mining. | 试油 |
oil | 试井 |
racing | 试车 |
external security : 6 phrases in 5 subjects |
Cryptography | 1 |
Electronics | 2 |
Information technology | 1 |
Name of organization | 1 |
Securities | 1 |