directline直通行directadj.直接的；笔直的；坦白的v.对准；指挥；指示；命令direct economic loss assessment直接经济损失评估direct-contact type condenser混合式凝汽器direct-reading phase analyzer直读式相位分析器direct-current characteristic[电] 直流特性direct coupled transistor logic直接耦合晶体管逻辑电路,直接耦合晶体管逻辑direct interconnection networks直连网络direct isotopic dilution method直接同位素稀释法Direct Support Aviation Section航空直接支援科direct current static convertor静止式直龄流direct projection and diffusion直接投射扩散