shortiten.[矿]碳酸钠钙石shortadj.短的；矮的；短期的；短缺的；简略的；粗暴无礼的；[语]短音的adv.缺少；未达到；半中间(打断)；过早地(终止)n.<英口>烈酒；电影短片；[电]短路v.(使)短路shortcircuit current短路电流short gastric vessel胃短血管short of ten dollars差10美元short moderate swell短中涌short period service短期业务short circuit spring短路弹簧short-term station短期测站short story produced短篇小说Short Exact Sequence短正合列short-term fasting短期禁食

1. Some quadratic equations have no real roots.
   某些二次方程没有实数根。
2. A real zooming genetic algorithm is put forth.
   进而提出基于实数编码的变焦遗传算法。