用等效定理将问题分作两部份。
The equivalence theorem is applied to divide the problem into two parts.
当存在单环网时，本文利用叠加定理和戴维南等效定理把单环状的配电网转化成两条辐射状的馈线。
The paper transforms it into two radial networks with Thevenin's theorem and superposition theorem when there is a meshed network.
此外，此定理还具有多端网络等效变换的作用。
Furthermore, this is also an equivalent transformation theorem for networks with multi-ports.
第二个定理定义了“等效磁荷”与‘电流密度矩’。
The second theorem defines the Equivalent Magnetic Charge and the Moment of Current Density.
考虑了环境辐射影响，基于中值定理推导并定义等效波长，用于简化测温数学模型。
The equivalent wavelength is deduced and defined by considing the influence of ambient radiation, and adopted to simplify the mathematical model of temperature measurement.
并针对这两种网络的特点提出并证明了两个定理。从而得出了较为简捷的等效分析方法。
Directing against the features of these two networks, two theorems are both proposed and proved in the paper, which results in an equivalent analysing method more simple and brief.
对磁偶极子作环流等效处理，应用互易定理，给出了确定磁场空间分布的一种方法。
We treat magnetic dipoles as circulation equivalently, apply the reciprocity principle, and give a method of the spatial distribution of a magnetic field.
对磁偶极子作环流等效处理，应用互易定理，给出了确定磁场空间分布的一种方法。
We treat magnetic dipoles as circulation equivalently, apply the reciprocity principle, and give a method of the spatial distribution of a magnetic field.
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