Reduce the likelihood of blisters caused by moist air saturation of the hull.

减少由湿气浸入船壳而所引起气泡的可能性。

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The optimum value of dissolved oxygen for bacterium growth is 25% of air saturation.

溶氧水平为饱和度的25%，菌体生长最佳。

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When air is cooled to a point at which the air's capacity to hold more water vapor is zero, saturation is reached.

当空气进一步冷却到容纳更多水汽的能力为零(的那一点)时，饱和状态就达到了。

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Absolute humidity, on the other hand, refers to the actual amount of water vapor in the air regardless of saturation.

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Reporting back in 1990, the authority said air traffic in the south east of England would reach saturation point by 2005 and suggested extra runways were needed at one of London's airports, with the best option, in terms of costs to passengers, a third runway at Heathrow.

BBC: New transport secretary's Heathrow baggage