1. By dialectically analyzing several cases of elementary mathematics, the article states the importance of the dialectical guide to Elementary Mathematics Research. 通过对几个初等数学例子的辩证分析,阐述了用辩证法指导《初等数学研究》教学的重要性。
2. Precession and nutation of top and gyroscope is discussed by elementary method, equations of motion are solved using simplified models, and an elementary analysis is made. 用初等方法讨论了陀螺与陀螺仪的进动及章动,用简化模型求解了运动方程,并给出了它们的初等分析。
3. Precession and nutation of top and gyroscope is discussed by elementary method, equations of motion are solved using simplified models, and an elementary analysis is made. 用初等方法讨论了陀螺与陀螺仪的进动及章动,用简化模型求解了运动方程,并给出了它们的初等分析。
4. Precession and nutation of top and gyroscope is discussed by elementary method, equations of motion are solved using simplified models, and an elementary analysis is made. 用初等方法讨论了陀螺与陀螺仪的进动及章动,用简化模型求解了运动方程,并给出了它们的初等分析。
5. At home, some scholar did some elementary work on kinematics on he double-wishbone suspension system. But the research is elementary because of the conditions at that time. 在国内,八十年代末九十年代初,有学者用图论的方法对汽车悬架系统作过初步的运动学分析,由于条件的限制,存在着不够理想之处。