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The design of the dynamic detection system for the screw's lead precision testing 其他
2013-01-01
Fan, Xian Guang; Wang, Xin; Lu, Yang; Li, Fan; Zuo, Yong; 范贤光
收藏  |  浏览/下载:4/0  |  提交时间:2015/07/22
Digital products pricing in network expansion-based on network economic theory 其他
2013-01-01
Zhang, Qing Yuan; Zhang, Fu Jlin; 张清源
收藏  |  浏览/下载:13/0  |  提交时间:2015/07/22


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