College at least in major of mechanical engineering or related.
动力机械、机械工程或机电工程等相关专业，大学专科及以上学历。
'my uncle once urged me to choose mechanical engineering or auto engineering as my major,' Yu said. 'I chose biotechnology out of my interest in biology class in high school.
于敏说，我舅舅当初曾劝我学机械工程或自动化方面的专业，但我根据自己对高中生物课的兴趣选择了生物技术专业。
Within the field of mechanical engineering the major subdivision is industrial engineering which is concerned with complete mechanical systems for industry rather than individual machines.
机械工程领域里的主要分支是工业工程，它研究工业的整个机器系统而不是单台机器。
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