... symmetrical cable 对称电缆 symmetrical circuit 对称回路 symmetrical curve 对称曲线 ...
基于40个网页-相关网页
利用互易电路支路阻抗矩阵对称性，构造回路阻抗矩阵也对称的回路电流方程，得出一种证明互易定理的直观方。
With symmetry of branch impedance matrix in reciprocity network the loop current equation that the loop impedance matrix is symmetrical is presented.
直接的原因则是最近问世的aT M型宽带ISDN和不对称数字用户回路。
The direct cause is the emerging aTM-based BISDN and the advent of aDSL, the shortened form of asymmetric digital subscriber loop.
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