directableadj.可指引的；可指挥的；可操纵的directadj.直接的；笔直的；坦白的v.对准；指挥；指示；命令directed non-disjunction定向不分离direct capacitive coupling直接电容耦合direct current dynamometer直流测功机direct-acting steam pump直接式蒸汽泵direct abstract declarator直接抽象说明符directivity discrimination方向性鉴别度direct current supply line直流电源线direct product of lattices格的直积direct saturation analysis直接饱和分析direct speech transmission直接音频传输