The major characteristics of coexistence of abundant natural resources and primary exploitation are found.
找出了贫困山区资源优势与低水平的初级开发共存的基本特点；
The marine environmental information is the primary decision-making basis of marine exploitation, marine environmental protection, military affairs safeguard and ocean administration.
海洋环境信息是人类进行海洋开发、海洋环境保护、军事保障和海洋管理的主要决策依据。
Comparing with rich and high value mountain tourist resources in Yunnan, mountain tourism exploitation are still in the primary stage.
相比于丰富、高品位的山地旅游资源，云南山地旅游开发尚处于初级阶段。
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