配电子系统的建模关键是忽略其内部的暂态过程并作出了网络的等值电路图，因而依此建立的节点电压方程为代数方程。
The key to power distribution system is to ignore transient process in this sub-system and to draw the network equivalent circuit diagram, therefore its node voltage equation is algebraic equation.
该法以电路的改进节点方程为基础，具有建立故障诊断方程容易，所建立的方程具有较低的非线性度及规则的雅可比矩阵的特点。
This method based on modified nodal approach is easy to set up the fault diagnosis equations and has lower degree of nonlinearity and regular Jacobi matrix form.
把电学量传感器测量物理量的范围，平分二段，分别建立拟合回归方程，并用电路实现之。
The measuring range of electric quantity sensor is divided into two parts, the regressive equations are respectively set up and realized it using circuits.
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