This paper, by using analysable method of static balance, presents the calculated balance position and balance mass of large bell for blast furnace, so as to improve installational speed and quality. 文章采用静平衡分析的方法,给出了高炉大钟的平衡位置和平衡质量的计算方法,可以有效提高大钟的安装速度和质量。
Analysable solution about the question of a free falling body and it's approximate dealing Solution to a free falling body towards the east by perturbation 落体问题的解析解及近似处理微扰法求解落体偏东
By using the method of literatures, comparative body and analysable cases, the author analyzed the current development of Chinese men walking race, analyzed the characteristics of walking race, and the arrangement of training. 采用文献资料法、比较法和案例分析法,分析了当前我国男子竞走运动的发展现状、竞走项目特征、训练的安排情况。