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谐波分析器 xié bō fēn xī qì
el.	spectrum analyzer; Fourier analyzer
met.	harmonic analyzer
mil., air.def.	wave analyzer
nautic., tech.	frequency alias analyser
otorhinol.	harmonic analysor
shipb.	harmonic analyser

谐波分析器: 3 phrases in 1 subject

Technology

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