So it's always a hot topic how to transform GPS ellipsoidal height into level elevation and to keep certain accuracy.

如何将GPS大地高转化咸水准高程，并使其保持一定的精度，一直是人们研究的热点。

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Whether elevation abnormality models are built properly has great effects on the precision of GPS level elevation survey.

高程异常模型的建立是否合适，对GPS水准高程测量的精度产生重要影响。

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Geographical situation and sea level elevation are the main influencing factors to the spatial distribution of water vapor press.

地理位置和海拔高度是水汽压空间分布的主要影响因子。

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It doesnt matter whether they are at great elevation or at sea level. John Geiger suggests that the brains effort to create a Third Man is not an accident of human brain structure, or a sign of injury in extreme conditions.

VOA: special.2010.02.24

So, of the 17.34 foot record elevation of the station base sea level caused by Sandy, yes, a maximum of about six inches might be related to human activity.

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Named after William McKinley, the 25th president of the United States, the mountain's summit reaches an elevation of 20, 320 feet above sea level.

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Jinggangshan, China , has a mid-subtropical humid monsoon climate and diverse landscapes of mountains, valleys, structural basins and Karst with elevation varying from 381 m to 1, 779 m above sea level.

UNESCO: EDUCATION