natural region

基本解释

It is matched with that in Shenzhen Bay, and higher than in natural region in Honghai Bay.
非养殖区含量小于南澳湾和大连湾，与深圳湾接近，但大于红海湾的自然海域含量。
Complete-category of drainage basin water resources (DBWR). In hydrology, drainage basin is a natural region that bears the water resources as the core resource.
流域水资源的全范畴在水文学上，流域是以水资源为核心资源的自然区域空间。
As the unique natural region unit. The Tibetan Plateau has become the essential area and the hot spot of studying climate change because of its unique nature in the global environmental variation.
青藏高原作为独特的自然地域单元，由于其自然环境和生态关系在全球占有特殊地位，并且与全球环境变化息息相关，已成为研究全球气候环境变化的关键地区和热点。

There are reportedly up to 200 billion barrels of oil and natural gas in the region.
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