“Feynman propagator”的概念、定义、翻译、参考文献-科学参考

单词	Feynman propagator
释义	Feynman propagator [`fīn·mǝn `präp·ǝ´gād·ǝr] ^{QUANTUM MECHANICS} A factor (ρ+m ) / (ρ²-m²+i∊) in a transition amplitude corresponding to a line that connects two vertices in a Feynman diagram, and that represents a virtual particle.
随便看	sound absorption sound absorption coefficient sound analyzer sound and flash ranging sound attenuation sound band pressure level sound barrier sound buoy sound carrier sound channel sound detection sound effects sound energy sound-energy density sound-energy flux sound exclusion sound film sound filmstrip sound fixing and ranging sound gate sound head sound image sounding sounding balloon sounding device

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