The voltage difference of same-phase caused by different transformer wiring group was analysed. And the solving method was also provided in this paper.
分析变压器由于接线组别的不同引起的各个同相的电压差，以及解决方法。
A method for reducing ratio difference and Angle difference of micro-transformer of current and micro-transformer of voltage is forward.
提出了减小微型电流互感器和电压互感器的比差和角差的方法。
Basing on the continuum theory of liquid crystal, a new finite-difference iterative method is proposed to calculate the distribution of liquid crystal directors under an applied voltage.
在液晶连续体弹性形变理论的基础上，提出差分迭代方法求解液晶指向矢的空间分布。
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