1.战争的第四领域自从人类进入阶级社会以来就出现了战争。随着科学技术的发展,特别是运输工具的发展,发生战争的领域,就从人们世代居住的陆地进入浩瀚无边的海洋,本世纪初,又扩展到靠近地面的天空(内层空间)。由于航天 1. The fourth area of ​​war has witnessed wars since human beings entered the class society. With the development of science and technology, especially the development of means of transport and the fields in which war has taken place, the land that has lived from generation to generation has entered the boundless sea. At the beginning of this century, it expanded to the sky (inner space) near the ground. Because of space