master operations
| control
| master operation | |
| bridg.constr. | 主工序 |
| busin. | 主作业 |
| control | |
| hydroel.st. | 调节 |
| hydroel.st. од. | 控制 |
| IMF. | 管制 |
| manag. | 管理、管制; 核对; 存根 |
| met. | 调整; 操纵; 控制装置 |
| pest.contr. | 防治 |
| |||
| 主工序 | |||
| 主作业 | |||
| 主要工序; 主操作 | |||
|
master operations : 12 phrases in 8 subjects |
| Business | 1 |
| Computer networks | 1 |
| Economics | 1 |
| Electronics | 3 |
| Information technology | 2 |
| Navigation | 1 |
| Space | 1 |
| Technology | 2 |