secondary bus辅助总线
secondaryadj.次要的;从属的;中等教育的n.副手;次要位置
secondary cause继发性原因
secondary speed从动轮转速,涡轮转速
secondary rocks二次岩层
secondary cleft次级裂口
secondary index辅索引,辅助索引,次索引
secondary gamma次级γ射线
secondary organ附属机构
secondary larva次级幼虫
secondary force二次力,二级惯性力