The result will offer reference data for design of involute gear and optimization of parameter choice, and offer new mathematical model for numerical analysis of root stress.
其计算结果将为渐开线齿轮设计、参数优化选择等提供参考数据，同时为齿根应力数值分析提供了新的数学模型。
By using multivariate linear regression analysis, the mathematical model to classify and evaluate reservoir with well logging data was established.
通过多元线性回归分析，建立了用多种测井信息划分、评价储层的数学模型。
Through using the investigation, logistical analysis, mathematical model, the author studies the price of entrance ticket of comprehensive games.
采用调查法、逻辑分析法、数学模型法等，对综合性运动会门票定价理论进行研究。
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