【摘要】 实验是实现理论联系实际,提高学生动手能力的重要手段,快速、准确的判断出故障原因,排除故障,是提高实验效果的途径。更多还原

【Abstract】 Doing experiment is an important means to realize integration theorg and practice and to train students’ manipulative ability. It is the way to improve experimental result to judge quickly and accurately the reason of fault and corrects the fault.更多还原