读书音
读书音-
《释文》音切叠合了多层面的书面文献语言读书音；
These phonetic transcriptions in The Annotation of Classics belong to the pronunciation of the written literature language .
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明代以后，官话以读书音的方式迅速传播开来，成为湘南地区的强势方言。
By the way of literary pronunciation , the Mandarin dialects spread quickly and became the major dialects in Xiangnan .