This article explores the processes of implementing formative assessment, theoretical base and methods by comparing experiments in the basis of stratified teaching model.
文章以分级教学为基础，通过对比实验，探讨形成性评价的实施策略和路径方法。
The parabolic shape is better than the arc shape through comparing time averaged pressures, fluctuating pressures and cavitations by theoretical analysis and hydraulic model experiments.
通过理论分析与模型试验，从时均压力、脉动压力、空化数等方面得出缓坡与陡坡过渡衔接部位采用抛物线型式较圆弧型式好的结论。
It is evinced that these models are feasible by comparing the results of simulation and experiments.
模拟结果与实验结果的对比表明该数学模型是合理的。
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