华裔之光,数数新出炉的西门子竞赛获奖中有多少棵小香蕉

祖传中医688 (2011-12-06 06:38:01) 评论 (0)

2011 Siemens Competition in Math, Science & Technology








icon: up





icon: up




icon: up



icon: up




icon: up




icon: up



icon: up




icon: up




icon: up




icon: up




icon: up




icon: up




icon: up


2011-Nov-29 | Author