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free running frequency | |||
free-running frequency | |||
natural frequency | |||
free frequency | |||
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natural frequency | |||
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free frequency | |||
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free running frequency | |||
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free running frequency | |||
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natural frequency |
自然 频率 : 22 phrases in 11 subjects |
Aviation | 4 |
Communications | 1 |
Electric machinery | 3 |
Electronics | 1 |
Explosives and Explosive Ordnance Disposal | 1 |
Geophysics | 1 |
Metallurgy | 2 |
Oil / petroleum | 4 |
Space | 1 |
Technology | 3 |
Telecommunications | 1 |