五千多年文明史

Spanning five millennia

开拓了祖国的辽阔疆域

open up the motherland's vast territory

缔造了统一的多民族国家

form a unified multiethnic nation

书写了辉煌的中国历史

Write a glorious Chinese history

西域

the Western Regions

中国领土不可分割的一部分

an inseparable part of China

历代中央政权

Successive central government

在几千年的探索实践中

Through millennia of exploration and   practice

积累了丰富的历史经验

Accumulate a wealth of experience