proximity

n. 接近,亲近

An explosive device used to destroy enemy personnel, shipping, fortifications, or equipment, often placed in a concealed position and designed to be detonated by contact, proximity, or a time fuse.

地雷，水雷一种用来摧毁敌军部队、船舰、碉堡或装备的爆破装置，通常安放在隐蔽处，由于接触、靠近或定时而引爆