rectangular pulses
| model
| rectangular pulse | |
| space од. | 矩形脉冲 |
| model | |
| gen. | 模特; 型; 模特儿; 塑像; 做模型 |
| audio.el. | 机型 |
| environ. | 模型 |
| hydroel.st. од. | 模型 |
| met. | 原型 |
| |||
| ★ 矩形脉冲 | |||
|
rectangular pulses : 11 phrases in 6 subjects |
| Air defense | 1 |
| Earth sciences | 3 |
| Electronics | 1 |
| Metallurgy | 1 |
| Space | 2 |
| Technology | 3 |