We discuss the classification of heavy meson spectrumunder heavy quark effective theory (HQET) and the application of QCD sum rule inHQET.是什么意思_We discuss the classification of heavy meson spectrumunder heavy quark effective theory (HQET) and the application of QCD sum rule inHQET.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句