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primary guidance | |
space | 起始 段制导 |
navigation | |
comp., net. | 漫游 |
environ. | 导航 |
hydroel.st. | 航行; 航运 |
interntl.trade. | 航船; 领航 |
navig. | 航海; 导航 |
and | |
gen. | 并 |
control system | |
hydroel.st. | 控制系统 |
| |||
起始[主动]段制导 |
primary guidance, navigation and control system : 9 phrases in 3 subjects |
Aviation | 3 |
Electronics | 4 |
Space | 2 |