如果您无法在线浏览此 PDF 文件，则可以下载免费小巧的 福昕(Foxit) PDF 阅读器,安装后即可在线浏览 或下载免费的 Adobe Reader PDF 阅读器,安装后即可在线浏览 或下载此 PDF 文件如果您无法在线浏览此 PDF 文件，则可以下载免费小巧的 福昕(Foxit) PDF 阅读器,安装后即可在线浏览 或下载免费的 Adobe Reader PDF 阅读器,安装后即可在线浏览 或下载此 PDF 文
阅读更多...
Tsinghua Observatory Open Night01 9月 2016On 28th August, Tsinghua Observatory held its first public open night of the 2016-2017 fall semester. The event was hosted by the Tsinghua Astronomical Society (a student organization) and the Tsinghua Center for Astrophysics.On a clear weekend night with cool breeze, we had an enthusiastic public turnout. People began queuing half an hour in advance, a...
阅读更多...