Analysis regarded impact acceleration as key data to change structural parameters, such as thickness of external and internal shells, dimensions of rib, and rib intervals.
以冲击加速度为主要数据，分析了改变内壳板厚、外壳板厚、肋骨尺寸、肋骨间距等结构参数对冲击响应的影响。
When the change of external condition reaches a certain threshold, the learning ability of students will be converted into a structural ordered state, to reach a new level.
当外界条件变化达到一定的阀值时，学生的学习能力会转为一种结构上的有序状态，达到新的水平。
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