Which inventor is famous for his contributions to the alternating current electrical system?

哪个发明家因对交流电系统的贡献而出名？

For those of you wondering why we care about alternate coordinate systems, the next video on eigen vectors and eigen values, we'll give a really important example of this.

对于那些想知道为什么我们要关心交替坐标系的人 下一集关于特征向量和特征值的视频 我们会给出一个很重要的例子。