unit-step
| function
| unit step abbr. | |
| met. | 单位阶跃 |
| 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 |
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| 单位阶跃函数 | |||
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| 单位阶跃 | |||
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unit-step : 24 phrases in 8 subjects |
| Automatic control | 3 |
| Electric machinery | 2 |
| Electricity | 1 |
| Electronics | 3 |
| Mathematics | 4 |
| Project management | 1 |
| Space | 3 |
| Technology | 7 |