说明：  multisim应用基尔霍夫定律和电位的研究 介绍支路电流法求解电流方法。完全自制。实验内容选自《电工技术实验指导书》宋济夫北京机械工业学院自动化系
(multisim application of Kirchhoff s laws and potential research Introduce branch current method for solving the current method. Completely self-made. Experimental content from "Electrotechnical experimental guide book" Song Jifu Department of Automation, Beijing Institute of Machinery )