The application of magnetic transmission technology in the agitating device is discussed, Some design methods and calculation formula are obtained by analysis and experiments.
对磁传动技术在搅拌装置上的应用做了较为全面的论述，并通过对具体结构的分析和试验，获得并验证了具体的设计方法和计算公式。
The researcher mainly design "drawing ball-cooperation" experiments, and analysis characteristics of cooperative learning of children with observation, documents and interviews.
以笔者设计的“合作拉球”实验为主，结合观察法、访谈法和文献法综合分析幼儿合作学习的特点。
Precept of extractive conditions was designed by orthogonal design, and the results of experiments were discussed with analysis of variance.
用正交设计法设计了菲汀提取条件的方案，并对试验结果进行了方差分析。
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