光谱学 guāngpǔxué spectroscopy Definitions Defs Origin Strokes Stroke Words Sentences Sents 光谱学 光譜學 guāngpǔxué spectroscopy Frequency Written text 0.063 per million Sources Frequency data BCC Corpus (BLCU)
光谱学 光譜學 guāngpǔxué spectroscopy Frequency Written text 0.063 per million Sources Frequency data BCC Corpus (BLCU)
