西格玛 xīgémǎ sigma Definitions Defs Origin Strokes Stroke Words Sentences Sents 西格玛 西格瑪 xīgémǎ sigma The eighteenth letter of the Greek alphabet (Σ, σ). Frequency Movie subtitles 0.330 per million appears in 0% of films Written text 0.269 per million Sources Frequency data SUBTLEX-CHBCC Corpus (BLCU)
西格玛 西格瑪 xīgémǎ sigma The eighteenth letter of the Greek alphabet (Σ, σ). Frequency Movie subtitles 0.330 per million appears in 0% of films Written text 0.269 per million Sources Frequency data SUBTLEX-CHBCC Corpus (BLCU)
