Watch this in English: http://www.youtube.com/watch?v=u9J5-LcYYeg
Instructor: 陈莉楠
View the complete course: http://ocw.mit.edu/18-06SCF11
License: Creative Commons BY-NC-SA
More information at http://ocw.mit.edu/terms
More courses at http://ocw.mit.edu
Published 2012-08-10 · Watch on YouTube ↗ Availability and playback restrictions are controlled by the original channel.