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| forma de onda de una señal | |||
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signal : 324 phrases in 19 subjects |
| American usage, not spelling | 1 |
| Chemistry | 2 |
| Coal | 1 |
| Communications | 105 |
| Earth sciences | 2 |
| Economics | 1 |
| Electronics | 103 |
| General | 24 |
| Health care | 1 |
| Immigration and citizenship | 1 |
| Industry | 2 |
| Information technology | 53 |
| Labor law | 4 |
| Life sciences | 2 |
| Materials science | 2 |
| Natural sciences | 1 |
| Patents | 1 |
| Transport | 17 |
| United Nations | 1 |