ampere s loop law 安培环路定理
It also points out that the magnetic field of unlimited length solenoid cannot be calculated only by Ampere 's Loop Law.
指出无限长载流螺线管的磁场是不能仅由安培环路定理求出的。
Based on the dual function S-rough set and system law generation, disturb recognition criteria of the open-loop control is given.
利用函数单向s -粗集对偶，结合系统规律生成，提出了开环控制系统的扰动识别准则，并给出了开环控制系统扰动识别的结构图和具体实现过程。
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