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周期波
expl. periodica. wave
tech. periodic wave; periodical wave
周期波
: 124 phrases in 21 subjects
Aviation2
Bridge construction2
Business6
Commerce2
Cryptography1
Desert science2
Ecology1
Economy7
Electric machinery3
Electronics4
Engineering geology4
Finances2
General1
Hydroelectric power stations1
International trade1
Nautical5
Oil / petroleum6
Space1
Statistics8
Technology64
Telecommunications1