In this process, the Zhenguan Period in the early Tang Dynasty was an important stage.

在这一过程中，初唐的贞观时期是一个重要的阶段。

youdao

In this process, the Zhenguan Period in the early Tang Dynasty was an important stage.

在这一过程中，初唐的贞观时期是一个重要的阶段。

youdao