There are several ways in students operation: link circuit on test box; weld circuit on schematic panel, and this paper emphasizes on the latter one.

学生实践操作的方法有：实验箱上搭接电路和在印刷板上焊接电路，并重点介绍了后一种方法。

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There are several ways in students operation: link circuit on test box; weld circuit on schematic panel, and this paper emphasizes on the latter one.

学生实践操作的方法有：实验箱上搭接电路和在印刷板上焊接电路，并重点介绍了后一种方法。

youdao