在可预见的未来,世界上将会有更多的国家通过积极利用航空领域取得的科技成果为发展国民经济和提高军队战斗力服务。飞艇和高空气球正在重新引起人们的重视,目前一些科技发达国家正在积极制定开发新一代轻于空气的自行式或牵引式浮空飞行器的研究计划。正在研究的这类飞行器的典型代表是飞艇和高空气球。世界上许多国家都有建造和使用飞艇的 In the foreseeable future, more countries in the world will serve the development of the national economy and the military’s combat effectiveness by making active use of the scientific and technological achievements made in aviation. Airships and high-altitude balloons are re-attracting people’s attention. At present, some developed countries are actively making plans for the development of a new generation of light-to-air autonomous or towed aerocraft. Typical examples of such aircraft being studied are airships and high-altitude balloons. Many countries in the world have built and used airships