Mr. Sun Lei's lecture discussed two modeling methods: time modeling and space modeling. By citing different interpretations of the word "modeling", Mr. Sun pointed out that most people have some misunderstanding about "modeling".
In this course, Mr. Wu Jianan presented the natural limitations of human eyes in terms of the limited range of vision, the inability to catch high-speed objects, the incompetence in finding targets in the dark, and the impotence in averting barriers....