The result shows that seawater density change is an important factor on sea level height variation at seasonal time scale.

结果表明，海水密度变化是引起季节性海面高变化的重要因素。

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The result shows that it is more important to separate sea level height variation caused by seawater density change in the study of Earth dynamic problem.

表明，在研究许多地球动力学问题时，扣除海水密度变化引起的海面高变化至关重要。

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The land varies in height from 700 meters above sea level to over 2,000 meters and is home to a great diversity of rare plants and animals.

这片土地的高度从海拔700米到2000多米不等，是多种珍稀动植物的家园。

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Mean sea level: average height of the sea surface over a 19-year period.

UNESCO: L O S S A R Y

While the park has added newer amusements, most visitors come for the vintage attractions, including a two-tier carousel built in 1921, the Talaia, which raises guests with a rickety metal arm to a height of 550m above sea level, and the iconic Avio ride, modelled on the first plane to fly between Barcelona and Madrid.

BBC: Europe��s grand old theme parks

The time taken for the waves to complete this journey is recorded, and it is a fairly straightforward calculation to work out the height of the ice above sea level.

BBC: Arctic ice thickness 'plummets'