Almost finished the whole structure and the extensity .

大致完成全部的结构及空间感。

The difficulty of the research shows both the complex of study of the minority areas and the extensity of research field of the coupling of ecological construction and economic development .

对此问题研究的难度，一方面体现在民族地区研究的复杂性，另一方面也反映出生态建设与经济发展耦合研究领域的广阔性。