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对技术人员的一个讲座(第二部分) 本讲座的第二部分将开始讲述示范装置。首先简短地谈一下最重要的部件,然后讲电路的细节。
A Lecture for Technicians (Part 2) The second part of the talk will begin with an introduction to the demonstration device. First, briefly talk about the most important parts, and then talk about the details of the circuit.