central mainland literature

• 中土文献

central mainland literature的用法和样例：

例句

1. It increased the vocabulary of the corpus of the documents in the Central Plain.Moreover, the proofs of many new meanings of the words can be exemplified in even earlier documents.
   它不但了补充了中土文献的语料，而且很多新词新义都能在佛经文献中找到更早的例证。