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rectangular impulse | |||
GTO square pulse GTO | |||
rectangular pulse; rectangular-shaped pulse | |||
square pulse |
矩形脉 冲 : 25 phrases in 10 subjects |
Air defense | 3 |
Construction | 1 |
Earth sciences | 3 |
Electronics | 3 |
General | 1 |
Metallurgy | 1 |
Oil / petroleum | 1 |
Radio | 1 |
Technology | 10 |
Telecommunications | 1 |