Therefore, it is easy to calculate any high order approximation by hand or by a computer.
因此本法易于手算和用计算机计算，从而可求任意高阶近似。
Under homogeneous conditions, the application of this equation may give a differential approximation of high order accuracy for Lapace equation, Poisson equation and heat conduction equation.
在矩形网格上的九点差分近似的正确公式。使用它，在均质情况下，对拉普拉斯方程、布阿松方程和热传导方程可以构造出高阶精度的差分近似。
The results show that the former geometrical highlight model with three parameters is approximation of one order for naked shells at high frequencies.
结果表明原来的三参数几何亮点模型是在高频情况下未敷瓦壳体的一级近似。
The paper analyse non-adiabatic modification of energy transition and dynamic evolution for two-level atom in cavity with quantum high order adiabatic approximation (HOAA).
详尽地研究了驻波腔场中两能级原子运动的能量转移和动力学演化的非绝热修正。
The result verifies that the high order approximation method offers better denoising effect and higher signal to noise ratio.
结果证明，相对于其他方法，高次逼近法去噪效果良好，得到的信噪比更高。
This paper performs one-way wave decomposition for 3d wave equation, and 2 kinds of high approximation of up-going wave equation in low order differential equation system are derived.
对三维波动方程做单程波分解，给出了用低阶偏微分方程组逼近上行波方程的2种高阶近似表达式。
This paper performs one-way wave decomposition for 3d wave equation, and 2 kinds of high approximation of up-going wave equation in low order differential equation system are derived.
对三维波动方程做单程波分解，给出了用低阶偏微分方程组逼近上行波方程的2种高阶近似表达式。
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