... 二阶微分方程：second order differential equations 二氧化硫解吸：solution property 二维正弦光栅：two-dimension grating ...
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nonlinear second order differential equations 非线性二阶微分方程
second-order differential equations with delay 二阶时滞微分方程
Second-Order Linear Differential Equations 二阶常微分方程式
second order functional differential equations 二阶泛函微分方程
second order partial differential equations 二阶偏微分方程
second-order delay differential equations 二阶滞后型微分方程
second order delay differential equations 二阶时滞微分方程
The main contents of first chapter are several difference schemes of first-order and second-order differential equations.
第一章有限差分方法主要内容是一阶和二阶的两点式、三点式和五点式差分方案。
With the ordinary theory of Heat Exchange in physics this essay visualizes the essence of second-order homogenous linear partial differential equations.
本文利用物理学中常见的热传导理论，形象地阐释了二阶齐次线性偏微分方程的本质。
Classical mathematical equations is the large number of second-order linear partial differential equations.
经典的数理方程大量的是二阶线性偏微分方程。
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