directed graph[数] 有向图;定向图;无向图;有向图表
directed line[数] 有向直线;有向元;[数] 有向线;翻译
directed evolution定向进化;定向进化技术
directed distance[计] 有向距离;有向距离
directed jamming[电子] 引导式干扰
directed forgetting有意遗忘;指向遗忘;指向性遗忘
Self Directed自我指导;定位;自导自演
directed beam定向光束;定向射线;定向波束
directed variation[遗] 定向变异;定向变异
ADJ（形容词） (of a number, line, or angle) having either a positive or negative sign to distinguish measurement in one direction or orientation from that in the opposite direction or orientation (数、线或角)有向的 [maths]