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『高空的適應性』是指人體組織當氧氣分壓減低時,對之産生適應的過程。當吾人上升達高空時,開始頗不習慣,随即引起缺氧的症候;更進一步,且能發展成所謂的高空病或曰高山病。如慢慢上升到高空,或在中等高度上停留時間稍久,則高空病的症候可以減少,或到一定限度不致往下發展。共適應性的步驟因人而異,有人完全可以習慣在5,000-6,000米的高空生活,也有人即便在甚小的高度上已不能習慣了。一個人當他經過一週的高空生活後,他的適應性能即可增進;然回到正常氣壓的地區後,只消數週這種順應性即可失掉。如果說二十世紀開始十年中,研究『風土適應』這個問題的興趣是爲了高山區域方面的工業和農業,則在今天研究這一問題的興趣即投到航空事業,特別是空軍這方面了。關於這點,已經獲得的最大成就,便是找出對於高
“Altitude adaptability” refers to the process by which body tissues adapt to the oxygen partial pressure. When we were ascended to the sky, we started to get used to it, causing hypoxemia. Further, we could develop into so-called altitude sickness or mountain sickness. If you slowly rise to high altitude or stay at a medium altitude for a while, the symptoms of altitude sickness may be reduced, or to a certain extent, they will not develop downward. The steps of adaptability vary from person to person. Some people are entirely accustomed to living in the high altitude of 5,000-6,000 meters, while others can not get used to it even at a very small height. When he goes through a week of altitude life, his fitness can be improved; when he returns to a normal pressure area, he can lose only a few weeks of such compliance. If the interest in studying the issue of “adaptation to the terrain” in the first decade of the twentieth century was to develop industries and agriculture in the high mountain areas, the interest in studying this issue today is to be devoted to aviation, especially to the Air Force. . The biggest achievement that has been made in this regard is to find out how high it is