1·In those years, just after World War I, the military wanted to build an American highway system for national defense.
在第一次世界大战后的那些年里，军方希望为国防建设一个美国公路系统。
2·The same argument can be used for many other public services, such as fire protection, national defense, and the court system.
同样的道理也适用于许多其他公共服务，如消防、国防和法院系统。
3·National defense colleges and universities physical education curriculum and sports should be an organic combination of military and political training.
高等学校国防生体育教学应该是体育教学大纲与军政训练的有机结合。
4·The application area spreads over industry agriculture national defense and science and technology.
应用领域遍布工业、农业、国防、科技。
5·National defense students are not only a new vital force in the new military revolution, but an important component of the talent team.
国防生学员担负着新军事变革生力军的重任，是我军人才队伍的重要组成部分。