九原郡与其西面的云中郡一样，在秦汉两朝有着重要的战略地位。

Jiuyuan and, to the west, Yunzhong, were two commanderies with strategic importance in the Qin and Han dynasties.

youdao

九原郡与其西面的云中郡一样，在秦汉两朝有着重要的战略地位。

Jiuyuan and, to the west, Yunzhong, were two commanderies with strategic importance in the Qin and Han dynasties.

youdao