direct hit直接命中directadj.直接的；笔直的；坦白的v.对准；指挥；指示；命令directed functional test定向功能测试Direct heating synthesis直接热合掺杂direct coupled flip flop直接耦合触发器direct wide gap material直接带隙材料direct-coupled exciter直接励磁机direct viewing kinescope直视显像管Direct Client Connection直接客户联系direct hot imaging films热敏干式胶片direct current centering直流中心调整direct numerical control直接数字控制,直接数控,直接数值控制,群控