淡水环境，是指内陆的淡水资源，包括河流、湖泊、运河和地下水体等。全球淡水资源状况不容乐观，水资源短缺，水质恶化，人类面临严峻的挑战。
会上提交了三份报告，主要研究海洋和淡水环境变化对人类造成的危害。
Three studies were presented that examined the dangers that changes in ocean and freshwater environments could cause to people.
虽然我说的主要是指海水鱼和海水鱼的钓法，这些同样的原则亦适用于淡水环境。
And while I mostly refer to fish and fishing in salt water, these same principles apply to the freshwater environment.
如果船舶进入淡水中超过两个周，Martyr建议使用适用于淡水环境的交替性阳极系统。
Should a vessel move into fresh water for more than two weeks Martyr recommends that an alternative anode system is used suitable for fresh water situations.
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