One of these is the subtraction of water from the ocean by means of evaporation—conversion of liquid water to water vapor.

其中之一是通过蒸发的方式，把液态水转化为水蒸气——来减少海洋中的水分。

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One of these is the subtraction of water from the ocean by means of evaporation - conversion of liquid water to water vapor.

其中之一是通过蒸发的方式即把液态水转化为水蒸气来减少海洋中的水分。

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The Ocean Thermal energy Conversion (OTEC) process utilizes temperate differences in large bodies of water to spin turbines, creating a steady source of renewable energy.

海洋热能转换(otec)过程利用了旋转涡轮中大体积的水体的温差，来产生连续不断的再生能源。

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Secondly, when considering end-to-end efficiency, it is much less energy-intensive to heat water by direct use of natural gas on-site, rather than by using that natural gas to first make electricity that is used to heat water because of the large conversion losses at power plants.

FORBES: To Conserve Energy - Conserve Water

Dams for irrigation, meanwhile, have a doubly damaging impact on fisheries: they not only hold back water, but also encourage the conversion of forest to farmland in the flood-plain.

ECONOMIST: The Mekong river

Opponents of the method, however, are saying that the conversion process uses great amounts of fossil fuels and that it harms marine life through its vast duct system whereby it pipes water into the desalination facilities.

FORBES: San Diego Fishing for Fresh Drinking Water in Pacific Ocean