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group velocity
desert. 组速度
IT 群速度
math. 群速度
met. 波群速
space 波群速; 群速 (度)
tech. 波群传播速度
telecom. 群速
group velocity: 16 phrases in 6 subjects
Earth sciences1
Electronics3
Information technology1
Oil / petroleum2
Technology8
Telecommunications1

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