求翻译：本次实验包括单级放大电路、长尾式差动放大电路、负反馈放大电路以及阶梯波发生器电路四个实验，通过这些实验熟悉Multisim软件的使用，包括电路图编辑、虚拟仪器仪表的使用和掌握常见电路分析方法，运用Multisim软件对模拟电路进行设计和性能分析，掌握EDA设计的基本方法和步骤，熟练掌握有关单级放大电路和晶体管特性等有关知识，并应用相关知识来分析电路，求解相应的数据，做到理论实际相结合，加深对知识的理解。是什么意思？

The experiments include single-stage amplifier circuit, the long tail-type differential amplifier circuit, negative feedback amplifier circuit and step-wave generator circuit of the four experiments, these experiments through the use of familiar Multisim software, including schematic editor, and the

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This experiment including the single-step amplification electric circuit, the long tail type differential motion enlargement electric circuit, the negative feedback amplification electric circuit as well as the step wave generator electric circuit four experiments, through these experimental familia

This times experimental including single level zoom circuit, and long tail type difference dynamic zoom circuit, and negative feedback zoom circuit and stepped wave generator circuit four a experimental, through these experimental familiar Multisim software of using, including circuit diagram Edit,

This times experimental including single level zoom circuit, and long tail type difference dynamic zoom circuit, and negative feedback zoom circuit and stepped wave generator circuit four a experimental, through these experimental familiar Multisim software of using, including circuit diagram Edit,