国防guófáng一个国家为了保卫自己的领土主权,防备外来侵略,而拥有的人力、物力,以及和军事有关的一切设施{national defence; armies, material resources and all military facilities of a country in defence of its territory and sovereignty against possible foreign invasion}: 巩固～{strengthen (or reinforce) national defence}|～建设。{defence construction; defence buildup}