开始时间: 04/22/2022 持续时间: 未知
所在平台: Khan Academy 大学或机构: Kehan Academy(可汗学院) |
课程主页: http://www.khanacademy.org/science/chemistry
课程评论:没有评论
Videos on chemistry (roughly covering a first-year high school or college course).
Videos on chemistry (roughly covering a first-year high school or college course).