摘要
用比较系数法解热位移微分方程,给出了在不同温度范围内的固体线膨胀系数的公式.
The differential equation of heat displacement is solved
by comparing coefficient method.The formulas of linear expansion
coefficient of solid body in different temperature rangesare given.
关键词
正交多项式
微分方程
线膨胀系数
orthogonal polynomial
differential
equation
linear expansion coefficient
