The work theory of parallel multi-roll straightener is first introduced in chapter two, and the key parameter's mathematical expression is acquired and simplified according to engineering application.
第二章首先介绍了平行多辊矫直机的工作原理，并推导了影响矫直效果的关键参数的数学表达式，并根据工程应用进行简化。
With the application of continuum theory of mixture, a mathematical model for the coupled seepage, stress and temperature for freezing and thawing of water saturated porous media has been established.
应用混合物的连续介质理论，建立了冻融过程中饱和多孔介质的渗流场、应力场和温度场耦合作用的数学模型。
The scalar wavelets (2-channel wavelet) have been succeeded in both theory and application, of which the mathematical characters and the application performance have drawn enough attention.
无论在理论还是应用研究方面，标量小波(2 -通道小波)都已取得了很大的成功，它的数学性质和应用性能已被人们所认识。
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