Airway resistance ( raw ) tends to increase and inspiratory resistance ( ri ) in 7d increases significantly . compliance of lung ( cl ) has not a prominent change . 2 . the alveolocapillary permeability increases during simulated weightlessness and can recover a bit as simulated weightlessness goes on 3秒率oevm x呼气峰流速oef卜最大通气量p )比正常水平降低,其中以7dfevm和zidmvv变化显著;气道阻力份删)增大,以7d吸气阻力仰变化显著:肺顺应性k1 )变化不大。