短語詞組短語valence -band offsets 價(jià)帶偏離Valence -band distortion 價(jià)鍵畸變ge heterojunction valence -band offsets 價(jià)帶偏移donor -valence band transition 施主valence band X -ray photoelectron spectroscopy 價(jià)帶 返回 valence band