"a positively directed vector"
"goal-directed"
"a directed program of study"
directadj.直接的;笔直的;坦白的v.对准;指挥;指示;命令
direct GPC直接广义预测控制
directaxisadj.直轴
directableadj.可指引的;可指挥的;可操纵的
directressn.director 的女性
direct tan直接棕黄
directricen.(=directress)女指挥;女董事
direct taxn.直接税(如所得税)
directpathn.直接波束
direct jet直射式
directline直通行