yán / jiū / zhě / gēn / jù / yùn / shū / cái / liào / fēn / xī / zhōng / gǔ / hàn / yǔ / de / shé / yīn研究者根据韵书材料分析中古汉语的舌音。Researchers analyze the coronal consonants of Middle Chinese using rhyme-book materials.