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波频率
oil wave frequency
波频率
: 221 phrases in 31 subjects
Air defense17
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Automobiles3
Aviation13
Computer networks2
Construction1
Earth sciences7
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Electronics23
Engineering geology1
Explosives and Explosive Ordnance Disposal3
General3
Geophysics11
Hydroelectric power stations1
Information technology4
Mathematics6
Metallurgy2
Nautical2
Oil / petroleum18
Piezoelectric crystals3
Project management1
Radio1
Rail transport3
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Space15
Statistics1
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Technology62
Telecommunications8
Thermal Energy1
Wind Energy1