nuclear biological and chemical | |
avia. | 核生化; 核生物与化学 |
nuclear, biological and chemical | |
el. | 核子、生物与化学 |
space | 核生化 |
warfare | |
gen. | 战争 |
defense | |
IT | 防护力 |
nuclear, biological and chemical warfare defense : 15 phrases in 5 subjects |
Air defense | 2 |
Aviation | 2 |
Electronics | 2 |
Space | 8 |
United Nations | 1 |