GAPAn.地对空无人驾驶截击机gapn.缺口；裂缝；差距；空白gap between revenues and expenditures收支差额gaping doors of uninhabited houses.房门大开、无人居住的房子。Gap junction intercellularcommunication间隙连接通讯Gapjunction intercellular communication缝隙连接细胞间通讯Gap narrows between agrochemical majors农药巨头销售差距减小gap junction intracelhdar communication缝隙连接胞间通讯Gap junction intercellular communication细胞间隙连接通讯Gap junctional intereellar communication缝隙连接细胞间通讯Gap junction intracellular communication缝隙连接胞间通讯Gap junctional intercellar communication缝隙连接细胞间通讯