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波群 bōqún
oil train of waves; wave group
space wave train
tech. group of waves
telecom. wave packet
QRS 波群
nurs. QRS complex
波群1. 由相距较近的两个或两个以上的一组界面形成的具有稳定波形和一定时间间隔的一组地震波。 2. 自然界中的波动，实际上波幅是时大时小的，并非是简单的简谐振动。因此，波动表现出群的性质。在群中，一部分波幅大，一部分波幅小。在数学处理上，可以认为波群是由一些波长相近的简谐波叠加而成 bōqún
expl. wave group
正弦波群 bōqún
gen. burst
波群
: 91 phrases in 21 subjects
Agriculture2
Air defense6
Aviation1
Communications2
Construction1
Cultural studies1
Desert science2
Earth sciences1
Ecology1
Electronics12
Engineering geology1
General4
Genetics1
Metallurgy1
Nursing7
Oil / petroleum1
Space9
Technology34
Telecommunications2
Textile industry1
Video recording1

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