rù / shēng / yùn / shì / hàn / yǔ / yīn / yùn / xué / zhōng / yí / gè / zhòng / yào / de / yán / jiū / nèi / róng入声韵是汉语音韵学中一个重要的研究内容。Entering-tone rhymes are an important subject in the study of Chinese phonology.