Scientists say Low Till Farming is becoming popular in South Asia, which is facing a severe water shortage.

科学家说，低耕农业在面临严重的水资源短缺的南亚越来越流行。

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Far from the sun, in the outer solar system, beyond Jupiter's orbit, temperatures are low enough to permit ices to form out of water and out of gases like methane and carbon dioxide.

在远离太阳的外太阳系，在木星轨道之外，温度低到足以使冰从水以及甲烷和二氧化碳等气体中形成。

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In the northern peninsula the elevation is sufficiently low that the ancient Maya were able to reach the water table at deep sinkholes called cenotes, or at deep caves.

在半岛北部，海拔足够低，因此古玛雅人能够经由被称为竖井的深层排水口或深洞探及地下水位。

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Huge amounts of water ran into a low area in the dry, waterless desert that had once been an ancient lake.

VOA: special.2009.08.12

"Usually when you see reports like this (of a dolphin trapped in low water) it means the animal is injured, " Allison McHale of the National Oceanic Atmospheric Administration said Friday.

CNN: Rescuers: Dolphin stranded in polluted New York canal dies

High demand for water amid the heat wave and problems with soil shrinking as the ground warms has resulted in burst pipes and low water pressure in Oklahoma City, prompting officials to issue mandatory water-use restrictions for the first time in at least a decade, according to utilities department spokeswoman Debbie Ragan.

CNN: Heat advisories issued to states dwindles to 15

"The wreck is in quite low water, it is quite accessible, " Mr Attwood said.

BBC: Experts to examine River Foyle, Derry, wreck