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用CAXA电子图板软件,由物体的正等轴测图的形成原理入手,绘制出视图并直接测量出精度为1×10-7mm的轴向伸缩系数的大小以及轴测轴对于投影面的倾斜角.此法简单易懂,对于学生来说,比复杂的数学推导过程更容易接受. 相似文献
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根据健美操运动的专项特点,以体能结构要素为依据,对涉及健美操体能理论的相关文献进行综述,结果表明:现有研究对于体能多纬度综合研究不够,竞技健美操形态指标的研究尚未统一,专项素质的训练、监控、评价体系的研究力度尚需加大,对于具有健美操专项特色的无氧耐力训练方法及负荷监控方面的研究较少。 相似文献
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BJØRN STENSAKER LEE HARVEY JEROEN HUISMAN LIV LANGFELDT DON F. WESTERHEIJDEN 《European Journal of Education》2010,45(4):577-587
The emergence of the European Standards and Guidelines (ESG) for Quality Assurance has been seen as an important step towards realising the European Higher Education Area by creating more transparency and accountability in the area of quality assurance. The ESG also include standards as to how quality assurance agencies should be reviewed. In a meta-analysis of the reviews undertaken of quality assurance agencies, this article explores to what extent the ESG is having an impact on the reviews. 相似文献
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