So to talk about a 3.47 V signal really means nothing unless we know with respect to what reference.

因此我们所说的一个3.47V信号其实并没有什么意义，除非指出其参照物。

youdao

So to talk about a 3.47 V signal really means nothing unless we know with respect to what reference.

因此我们所说的一个3.47V信号其实并没有什么意义，除非指出其参照物。

youdao