Objectice:To study effects of NO on ventilation of lung in healthy young mem acutely exposed to high altitude early and process to prevent acute high altitude desease in susceptible stage.

• 目的：探讨一氧化氮（NO）对急进高海拔地区早期肺通气功能的改善调节作用，探索急性高原病“易感期”人群的有效预防手段及途径。