GAPAn.地对空无人驾驶截击机gapn.缺口；裂缝；差距；空白Gap between city and country城乡差距Gap junctional communication缝隙连接通信gap resistance type arrester隙阻式避雷器GAP-associated protein GAP相关蛋白, GTP酶活化蛋白相关蛋白gap between urban and county城乡差距Gap rate of mineral aggregate矿料间隙率gap between supply and demand供求之间的差距gap between demand and supply供求缺口Gap voltage/current method间隙电压（电流）法gap in science and technology科学技术上的空白