本教程涵盖了力学中的主题范围，机电，和波和光学。
The tutorials cover a range of topics in Mechanics, E & M, and Waves & Optics.
因为这款应用程序涵盖的主题范围太广了，它几乎会为每一个人都提供一些内容。
Because the app covers such a wide range of topics, it really offers something for everyone.
这些研讨会的主题范围从产业问题，到免费技术培训，到客户案例研究。
Topics range from industry issues, to free technical training, to customer case studies.
应用推荐