But if a lowlander stays in this high-altitude environment for too long, the adaptation starts to turn against his or her health.

但如果一个低地居民在高海拔环境呆太久，他们身体所作出的适应性调整便会妨碍他们的健康。

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Hypoxic pulmonary hypertension (HPH) is a key link of the adaptation physiology in high altitude area and the pathogenesis of all types of high altitude diseases.

低氧性肺动脉高压(HPH)是高原适应生理的重要环节，也是各型高原病的发病机理。

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Purpose:To explore the renal adaptation under hypoxiaenvironment in which the health youngs were exposed to 2750 m altitude from sea level.

目的：探讨从平原到高原地区健康青年在低氧环境下肾脏的适应代偿状况。

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Without three weeks of adaptation time the player unaccustomed to altitude loses a significant part of his athletic capacity in the rarefied air.

BBC: Tim Vickery column