这(答案)(//www.hoelymoley.com/a/16479/6031)解释说,照片中的设备贴上“B”下面是一个“紫外线Multifilter旋转Shadowband辐射计。”What is a Rotating Shadowband Radiometer, and how does it work? [![Mauna Loa Observatory][1]][1] Screenshot from https://vimeo.com/315754123 [1]: https://i.stack.imgur.com/8fVBT.jpg