为提高数值积分精度，测压孔位置按高斯求积节点布置。
The pressure taps are arranged as the nodes of Gauss numerical integration to improve the accuracy of integral.
定理2存在着一个独特的准高斯求积公式，这是刚刚高斯求积公式；
Theorem 2 There exists uniquely an quasi-Gaussian quadrature formula, which is just the Gaussian quadrature formula;
通过高斯分布函数描述形核质点密度随温度的分布关系，在给定过冷度时对分布函数求积分可得该时刻的形核密度。
Gauss distribution function was employed to describe the relation between the density of nucleation sites and the temperature and was integrated to get the grain density at a given undercooling.
通过高斯分布函数描述形核质点密度随温度的分布关系，在给定过冷度时对分布函数求积分可得该时刻的形核密度。
Gauss distribution function was employed to describe the relation between the density of nucleation sites and the temperature and was integrated to get the grain density at a given undercooling.
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