random switching
| function
| random switch abbr. | |
| telecom. | 随机转换; 随机交换 |
| function abbr. | |
| gen. | 运行; 工作 |
| hydroel.st. | 作用 |
| interntl.trade. | 效用; 职能 |
| light. | 功能，用途 |
| math. | 运算 |
| met. | 功用; 用途 |
| |||
| 随机转换; 随机交换 | |||
| |||
| ★ 随机开关 | |||
|
random switching : 4 phrases in 3 subjects |
| Aviation | 1 |
| Electronics | 2 |
| Technology | 1 |