directpathn.直接波束directadj.直接的；笔直的；坦白的v.对准；指挥；指示；命令direct vision objective prism直视物端棱镜direct connection switchboard直接连接交换台direct digital control system直接数字控制系统direct power improved control直接功率控制direct formic acid fuel cells直接甲酸燃料电池Direct Communications Network数字通信网Direct current resistance box直流电阻箱direct method of depreciation[经] 直接折旧法direct current transformation直流变换direct confrontation strategy直接对抗战略