This course features a series of MATLAB? And physical demonstrations which help to illustrate the principles of electromagnetics.

本课程借由一系列的MATLAB ？文件和物理实验说明电磁学的原理。

youdao

Then, almost every Sunday, came Sitanath Dutta to give us demonstrations in physical science.

接着，几乎每个星期天，悉达那德? 杜塔来给我们上物理实验课。

youdao

As I watched these performances and demonstrations, I was struck by how this wall, which was constructed as a physical blockade, now serves as a symbolic connection between China's past and present.

当我在观看这些表演的时候，我很感叹这样一个城墙，作为一个象征，联系着中国的过去和现在。

youdao