The paper applies the cluster analysis method and the multiple regression techniques to proceed the systematic investigation about the man chain ball performance training indices in universities and colleges, building the multivariate regression model and verifying the precision with practicability. 运用聚类分析和多元回归方法对影响高等院校男子链球(CB)成绩的训练指标进行了系统研究,建立了多元回归模型,并验证了精度和实用性。
A Gung Fu punch is like an iron chain with an iron ball attached to the end and it goes Wang! And it hurts inside. 空手道击打就像一块铁条,打出去是whack的一声;功夫击打则像拴着铁球的铁链,Wang的一声就伤到对手体内了。
Study on Feasibility of Adopting Chain Transmission Mode for Ball Mill 球磨机链传动方式的可行性研究