Then using the superposition principle of well group, the analytic theory of single drainage hole is spread to multiple drainage holes in the element.
然后，应用井群的叠加原理，将单个排水孔的解析理论推广到单元内多个排水孔的情况。
The weakly meshed network is firstly divided into two networks using the superposition principle: one is the pure radial network and the other is the pure meshed network.
该方法首先将少环配电网络利用叠加原理分解为两个网络：不含环状结构的纯辐射状网络和不含辐射状结构的纯环状网络。
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