【摘要】 详细介绍了电阻和电流在线测试的基本原理和方法．在线测试数字万用表的电路设计和调试过程以及实验结果更多还原

【Abstract】 The basic principle and method on on-line measuring resistance and current are introduced . The process of designing and adjusting the circuit of digital multimeter used for on line measurement are also recounted. Finally, the experimental results are presented.更多还原