本发明公开了一种平面度误差测量装置其包括激光器、柔性铰 链、静光栅、动光栅、测量头、压缩弹簧、底板以及光电探测器，测 量头固定在柔性铰链的第一端部处并伸出，动光栅设置在柔性铰链的 第一端部内，压缩弹簧一端与底板连接且另一端与柔性铰链的第一端部连接，压缩弹簧位于测量头的下方，柔性铰链的第二端部与底板固 定，静光栅固定在底板上，其与动光栅平行相对且相邻设置，激光器 也设置在底板上，光电探测器设置在静光栅出光端。本发明还提供一 种二维扫描工作台。

本发明公开了一种超长工作面无线电波透视 CT 测试方法，利用工作面巷道条件，构建无线电波透视 CT 测试系统，进行面内构造探查，对在巷道中揭露及隐伏的断层、薄煤区、陷落柱等地质异常进行探查与解释，为工作面安全高效回采提供技术参数。

大连理工大学城市学院经国家教育部批准成立于2003年3月，是大连理工大学举办的东北首家按新机制、新模式设立的新型普通本科院校。学院地处中国十大最具经济活力的滨海城市——大连，学院各类办学设施齐全，为学生创造了良好的学习和生活条件。 学院根植于大连理工大学，由大连理工大学全面负责学院的教学和管理。学院充分发挥大连理工大学的综合办学优势，根据社会发展的实际需求设置专业，目前设有计算机工程学院、电子与自动化学院、管理学院、建筑工程学院、外国语学院和艺术与传媒学院6个分院，26个专业。学院面向全国招生，现有在校本科生6500余人。 学院依托大连理工大学雄厚的师资力量、丰富的教学资源和先进的管理经验，实施“多元化”人才培养目标，积极开展教育、教学改革创新，注重优良学风建设，严格教学质量管理，面向学生，服务社会，不断开创人才培养和办学的新局面。 学院全面贯彻党的教育方针，治学态度严谨，办学特色鲜明，坚持“以学生为中心、理论联系实际”的办学理念，积极进取，不断创新，努力实现“建设一流环境，实施一流教育，创办一流学院，培养一流人才”的办学目标，打造社会知名的品牌专业，力争把大连理工大学城市学院建设成为高质量的应用技术大学。 Licensed by the National Ministry of Education, City Institute, Dalian University of Technology (DUT) was founded in March，2003. Run by Dalian University of Technology, City Institute, DUT is the first undergraduate institute in Northeast China, practicing a new type of management and operation.Located in Dalian, one of the ten modern and vigorous economic coastal cities， City Institute has complete and advanced teaching facilities and provides students with the first-class learning and living environment.DUT is in charge of City Institute’s teaching activities and administration.Fully exploiting the teaching strengths of DUT, City Institute has set up the programs to meet the requirements of social development. At present, there are 26 departments in 6 different schools, including School of Computer Science, School of Electronic and Automation，School of Management, School of Architecture and Engineering, School of Foreign Languages and School of Art and Media. Currently there are nearly 6500 undergraduates from all over the country.Based on DUT’s abundant teaching staff, rich teaching resources and top-notch managerial expertise, City Institute is striving for multifaceted educational aims, practicing teaching reform and innovation, focusing on encouraging fine academic style. Our “students- centered, society-oriented” educational principle is sure to nurture high quality talents with practical abilities.With full implementation of the Party’s educational principles, careful and precise teaching attitude and outstanding characteristics, City Institute insists on the teaching philosophy of “Students-centered Learning, Theory-based Practicing”. Today, All of us teaching staff are endeavoring to achieve the goal of “creating first-class environment, undertaking first-class education, establishing a first-class institute, cultivating first –class talents”, construct influential programs and actively develop City Institute, DUT into a brand new high-leveled application-oriented institute of technology in China.

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