H2+的近似解——线性变分法(Linear variation method)一、H2+ 的薛定谔方程和原子单位(a.u) H2+ — H2电离掉一个电子，光谱法测定是存在的 目前，对于分子体系，只有H2+能够精确求解 ...
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In this paper, we introduced another method of variation of constant of the second-order linear equation.
介绍了二阶线性微分方程的又一种常数变异法。
In this paper, a linear function of bearing variation versus time is given, and the method of work-point drifting are used to solve filter system which is unstable in bearing small change.
给出了一个形式简洁的方位随时间线性变化的可量测函数，并利用工作点漂移的技术解决了滤波器在方位小变化量时系统的不稳定现象。
A new method for analyzing a heat exchange system performance variation is proposed along with the establishment of a relevant linear mathematical model.
本文提出了分析系统性能变化的一种新方法，并建立相应的线性数学模型。
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