This "environmentally responsive" material would keep a soldier not too hot and not too cold, constantly adjusting to outside conditions as well as body heat.
这种“可感应环境”的材料可根据外界环境温度和体温进行自我调节，帮助士兵免受高温严寒的困扰。
2
Adjusting the cold gas fraction can control the performance target of vortex tube with fixed other parameters, which offers some referring data for practice applications of vortex tube.