加强天然林保护，建立自然保护区，对保存珍贵的沙地物种资源具有重要意义。
It is of important significance for preserving precious species resource in sandy land to strengthen the protection of natural forest and set up natural protection area.
加强天然林保护，建立自然保护区，对保存珍贵的沙地物种资源具有重要意义。
It is of important significance for preserving precious species resource in sandy land to strengthen the protection of natural forest and set up natural protection area.
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