Astronauts added a new wide field camera and a new spectrograph.
VOA: special.2009.09.30
There it is. He used the prism spectrograph to analyze his results. So what do we have here?
在这里,他用了棱镜分光图来分析他的结果,得到些什么呢?
麻省理工公开课 - 固态化学导论课程节选
应用推荐
模块上移
模块下移
不移动