... 二阶椭圆系统 second-order elliptic system 二阶微分 second-order differential 二阶微分方程 second-order differential equation ...
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二阶微分方程式(Second-order Differential Equation) 高阶线性微分方程式 ( Linear Differential Equation with Higher Order ) 变数系数微分方程式(Differential Equation with Var...
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...tives），或是六阶 甚至更高阶的时空导数，但是他并没有这么做，只是用到了二阶微分方程（Second-Order Differential Equation）。 这可以从实用的角度来说明这一问题。
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... 逐次微分法 successive differentiation 二次微分方程 second-order differential equation 二次微分形式 quadratic differential form ...
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simple second order differential equation 简单二阶微分方程
second order differential equation 二阶微分方程
the second order differential equation 二阶微分方程
linear second order differential equation 二阶线性方程
nonlinear second order differential equation 二阶非线性微分方程
Semilinear second order differential equation 半线性二阶微分方程
incomplete second order differential equation 非完全二阶抽象微分方程
An important case is the linear homogeneous second-order differential equation with constant coefficients.
一种重要的情形是常系数二阶线性齐次微分方程。
The existence and uniqueness about semilinear second-order differential equation are established by using global inverse function theorems.
本文利用整体反函数理论，研究了半线性二阶微分方程周期边值问题，给出了周期解存在唯一性的充分条件。
The driveline for a tractor vehicle is simplified as a 2-DOFs(degree of freedom)torsional vibration system, and is described as a second-order differential equation.
将牵引车的传动系简化为一个2自由度的扭转振动系统，并以二阶微分方程描述。
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