答案可能是，现在火星上几乎所有的水都被锁在地表下的永久冻土层中，更多的水被包含在这个星球的极地冰帽中。
The answer may be that virtually all the water on Mars is now locked in the permafrost layer under the surface, with more contained in the planet's polar caps.
它其后被放置在一个聚氯乙烯完帽和短管，灌满水和冻结。
It was then placed in a PVC end cap and short pipe, filled with water and frozen.
为了预报毂帽鳍的水动力性能，采用计算流体力学软件对粘性流场中毂帽鳍的敞水性能进行计算研究。
In order to predict the hydrodynamic performance of propeller with boss cap fins, CFD software was used to calculate the its open water performance.
可供注射海洛因包罗皮下注射针头，小棉球用来应变药物，水和汤匙或瓶帽用于“烹”或液化的海洛因。
Paraphernalia for injecting heroin include hypodermic needles, small cotton balls used to strain the drug, and water and spoons or bottle caps used for "cooking" or liquefying the heroin.
融化的极地冰帽可能发生的全球变暖可能会改变景观我们的世界，许多地区的水浸和造成损害的，以人民和财产以及。
The melting of the polar ice caps that could occur with global warming could change the landscape of our world, flooding many regions and causing damage to people and property as well.
融化的极地冰帽可能发生的全球变暖可能会改变景观我们的世界，许多地区的水浸和造成损害的，以人民和财产以及。
The melting of the polar ice caps that could occur with global warming could change the landscape of our world, flooding many regions and causing damage to people and property as well.
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