主动: initiative集: gather; assemble; collect作: rise; get up; stand up主动集线器: active hub活动集: activity set主动: 1.(能够造成有利局面) initiative 主动作某事 do sth. on one's own initiative; do sth. of one's own accord; 争取主动 try to gain the initiative; contend for the initiative; 主动为人们做好事 be active in doing good to men; 主动求婚[爱尔兰] take the initiative in courtship; 她不愿意主动这么做。 she does not like to do so from her own initiative. 他工作很主动。 he displays great initiative in his work.2.[机械工程] driving; 主动报价 unsolicited offers; 主动导航 active homing; 主动舵 active rudder; main rudder; 主动滑轮 driving pulley; feed pulley; 主动皮带轮 drive pulley; 主动注意 [心] active attention被动集线器: passive hub反动集团: reactionary clique滑动集电器: sli er collector; slipper collector活动集成: integration of activities活动集法: active set method; activesetmethod活动集线器: active hub流动集体: mobile ma radiography; mobile mass radiography流动集装箱: floatainer; floating container制动集中器: brake centralizer自动集线机: automatic concentrator自动集中器: automatic concentrator堆集作用: conglomeration对抗集作: antagonist muscle action多聚集作用: polyaggregation富集作用: enrichment; inrichment; ore concentration dressing共凝集作用: conglutination汇集作品: collective work集结,聚集作用: aggregation假凝集作用: pseudo-agglutination