边防、海防、空防【英】

border defense;coastal defense; air defense

译文来源

http://www.china.org.cn/government/whitepaper/node_7060059.htm

例句

1. 陆军边海防部队是保卫国家主权和领土完整、维护边境沿海地区安全稳定的骨干力量。——《2008年中国的国防 (上)》

1. The border and coastal defense force of the Army, under the leadership of general headquarters/departments. —Quoted from China’s National Defense in 2008 (I)