proximity /prok'simati; prak'simati/ n [U] (formal) nearness: (正式用語(yǔ))接近： (close) ~ to, (very) near to (which is usu preferable). 非常接史于(通常較常用 very near to)o ~ fuse, one that explodes the shell to which it is fitted when near the target, eg an enemy aircraft. 近發(fā)引信(使廠彈在接近敵機(jī)等目標(biāo)時(shí)爆炸者)。