command operation
| principles
| command operation | |
| tech. | 命令操作 |
| principle | |
| gen. | 主义 |
| bridg.constr. | 规律; 理论 |
| hydroel.st. | 法则; 定律; 因素; 本质 |
| met. | 要素 |
| tech. | 原则 |
| tech. од. | 原理 |
| |||
| 命令操作 | |||
|
command operation : 23 phrases in 7 subjects |
| Air defense | 4 |
| Aviation | 1 |
| Communications | 1 |
| Electronics | 1 |
| Space | 9 |
| Technology | 3 |
| United States | 4 |