It was found that even on the mountain higher than 3000 m above sea level water vapor and aerosol are still the main factors of the atmospheric extinction.

指出，即使在三千米以上的高山大气中，水汽和气溶胶仍然是主要的消光因子。

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The results indicated that the temperature of the surface and middle-level water in reservoir dropped, and then it could inhibit the birth rate of algae cells.

结果表明，通过试验，表、中层水体的温度有所下降，温度降低会抑制表、中层水体中藻细胞的繁殖速率。

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The water filter is composed of a flow splitting chamber, a sewage chamber, a water filtering chamber, a clear water chamber, a water pump, and a high-level water tank.

该滤水器由分流室、污水室、滤水室、清水室、水泵和高位水箱组成。

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In the center,at ground level, is a round pool of water.

VOA: special.2009.05.25

The nesting grounds for pelicans, gulls and other water foul, they rise less than 30 centimeters above sea level.

VOA: standard.2010.05.09

Six South Koreans were killed when the water in the shared Imjin River rose quickly to twice its usual level.

VOA: standard.2009.09.09

In fact, several of the more sophisticated spots are in hotels, including the glass-walled Blu Horizon in the Shangri-La overlooking Sydney Harbour, Hemmesphere in the Establishment Hotel and the cavernous lobby-level Water Bar in BLUE Sydney.

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Everywhere there is water under the surface , however it is different that the level of water differes from place and situation, and it demands painstaking effort and commitment o tap the natual resources ignoring the level underneath.

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Customers were unable to get through as the level of water rose halfway up the office, he explained.

BBC: York businesses count cost of flooding