directarcadj.直接电弧的directadj.直接的；笔直的；坦白的v.对准；指挥；指示；命令direct-vision直视directconnectedadj.直连的direct mounting直接安装, 直接组合directed matrix直达矩阵direct read out国外同类卫星direct neighbor直接相邻direct matching直接配比direct gangrene[医] 直接性坏疽direct scanning直接扫描directed muting定向路由