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- The Mauna Kea summit is a conservation district because it is a fragile and unique alpine ecosystem that serves as a major source of water for the entire island of Hawaii. 茂纳凯亚峰是脆弱又独特的高山生态系统，并且是整个夏威夷岛的主要水源，因此被列为生态保区。
- Polk Soil& Water Conservation District is one of Oregon's45 Districts assisting landowners in resource conservation. 描述:波尔水土保护区是俄勒冈州45个水土保护区之一，创建于1996年四月，主要是给与该地区土地所有者在水土保护方面以协助。
- Benton Soil& Water Conservation District is one of Oregon's45 Districts assisting landowners in resource conservation. 描述:本顿水土保持区是俄勒冈州45个水土保持区之一，主要是给与该地区土地所有者在水土保护方面以协助。
- Histodcal and cultural conservation district 历史文化保护区
- ecological functional conservation district 生态功能保护区
- This is a kind absolutely before look up sex, any lagging behind, conservative district is having very former achieved culture performance. 这是一种绝对的前瞻性，任何落后的、保守的地域都有着非常原创的文化表现。
- Our community is a leader in the conservation of wildlife. 我们社区在野生动物保护方面走在前头。
- The flood inundated the whole district. 洪水淹没了整个地区。
- Who discovered the conservation of energy? 谁发现了能量守恒？
- They have demolished the slum district. 贫民区已被拆除。
- This district grew cotton on a large scale. 这个地区过去大量种棉花。
- He lives in a mountainous district. 他住在山区。
- He was selected as the district attorney. 他被选为地方检察官。
- soil and water conservation districts 水土保持分区
- Conservation is of the utmost importance. 保护自然资源至关重要。
- Cholera was rampant in the district. 这个区里霍乱蔓延十分严重。
- conservation districts of historic sites 历史文化保护区
- They are on holiday in the Lake District. 他们在英格兰湖区度假。
- Quite a few people have filed for district attorney. 好几个人已正式提出竞选地方检察官职位。
