根据分子结构的特点，用距离矩阵表征分子中原子的连接性。
Based on the characteristics of molecular structure, the distance matrix was used to characterize the connectivity of the atoms in the molecule.
使用了自动生成参数矩阵及连接矩阵的技术，并采用梯形法求解微分方程，可对一般性的输入信号进行迅速、准确的仿真输出。
The paper also describes the technique of forming parameter matrix and linking matrix automatically and solving the differential equations of all kinds of signals.
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