The effects of the mental tense factor in high speed flight tests at lower altitude on pilots respiratory system are reported in this study.
本文测试了低空大速度飞行试验条件下飞行紧张因素对飞行员呼吸系统的影响。
2
Controling temperature and time of shelf life, which reduces respiratory intensity and decomposes speed of sugar content, can keep sweet corn fresh.
生产上可以通过控制贮存温度和时间，达到降低呼吸强度和糖分分解速率，保证鲜玉米品质的目的。
3
When beginning and finish the experiment, the indexes of the speed, power, endurance, cardio-respiratory function of players in each group were tested.