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traveling wave
hydroel.st. 行进波
space 行波
tech. 移动波; 进行波; 前进波; 推进波
traveling sound wave
met. ; 前进
traveling wave: 172 phrases in 13 subjects
Air defense14
Aviation2
Earth sciences2
Electronics58
General1
Geophysics3
Hydroelectric power stations3
Metallurgy1
Oil / petroleum2
Space34
Sports1
Technology49
Telecommunications2