以往五年间中国历史地理研究几乎在各个分支都取得了坚实的进步。

The past five years saw a steady progress in almost all fields of researches of Chinese historical geography.

youdao

以往五年间中国历史地理研究几乎在各个分支都取得了坚实的进步。

The past five years saw a steady progress in almost all fields of researches of Chinese historical geography.

youdao