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2007年VOA标准英语-Students Design, Maneuver Robots in California

By Mike O'Sullivan Los Angeles 11 April 2007 Watch Robot report Each year in March and April, competitions are held around the United States to test the skills of students in designing and using robots machines that perform basic human tasks. VOA's

发表于:2019-01-19 / 阅读(130) / 评论(0) 分类 2007年VOA标准英语（四月）
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