大陆地区东西分带、南北分块，块体的边界反映比较清晰。

China continent can be divided into several different blocks, and the block boundary is comparatively clear.

youdao

大陆地区东西分带、南北分块，块体的边界反映比较清晰。

China continent can be divided into several different blocks, and the block boundary is comparatively clear.

youdao