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signal element

avia. 信号单元
el.com. 信号元素
IT 信号码元
mil., air.def. 信号元件元素、单元
space 信号码元[单元]
telecom. 信号元
Signal Element
: 17 phrases in 6 subjects
Air defense1
Aviation1
Electronics5
Space3
Technology5
Telecommunications2