Penetration performance in surface layer of concrete target was analyzed by stress wave damage theory, calculating method base on "simplified equivalent resistance line" was presented.
从应力波表层损伤理论分析了混凝土表层“开坑区”的侵彻特性，提出“简化等效阻力线”的计算方法；
The general formula of the equivalent resistance of ladder type network are achieved with elementary method, and some relevant problems are discussed.
用完全初等的方法给出了梯形电阻网络等效电阻的通项公式，并对相关问题进行了讨论。
This paper, using cutting method, calculated the equivalent resistance of any two points of the circuit in the normal hexahedron.
本文用剖割的方法计算了正六面体电路任意两端子间的等效电阻。
Based on the parallel and the star-mesh transformations, a universal method is presented by which the equivalent resistance of an arbitrary random resistor net work can be calculated.
本文基于并联变换和星形-网形变换，给出了求解无规电阻网络等效电阻的普适计算方法。
Taking a specific circuit as a example, this paper describes a new method for calculating the equivalent resistance of single port network, a method of externally connecting resistors.
以具体电路为例，介绍一种求单口网络等效电阻的新方法，即外接电阻法。
Through theoretical deduction the method of equivalent resistance suitable for calculation of in-service distribution network loss is introduced in this paper.
为了能较准确计算运行中配电网的电能损耗，对等值电阻法进行了理论推导。
With equivalent flow resistance method and on the base of the productivity formulae of a horizontal well, a new productivity formula of a fishbone well was derived in the paper.
根据等值渗流阻力方法和水平井产能计算公式推导了鱼骨型水平井产能计算公式。
With equivalent flow resistance method and on the base of the productivity formulae of a horizontal well, a new productivity formula of a fishbone well was derived in the paper.
根据等值渗流阻力方法和水平井产能计算公式推导了鱼骨型水平井产能计算公式。
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