direct jet直射式directadj.直接的；笔直的；坦白的v.对准；指挥；指示；命令Directed Military Overstrength指定军事人员超额direct-coupled amplification直接耦合放大Directed edge-weighted graph赋权有向图direct current of point's senddirect digital process control直接数字过程控制direct-connecting drill pipe直连式钻杆direct expansion refrigeration直接膨胀制冷direct-coupled steam turbine直接传动式汽轮机direct portrayal of psychology直白式心理描写direct photodetection receiver直接光探测接收器