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主題: Homemade Radio Telescope 作者: peter 於 2018-09-09 15:43:11 Homemade Radio Telescope
http://opensourceradiotelescopes.org/2017/08/04/403/ (https://i2.wp.com/opensourceradiotelescopes.org/wk/images/thumb/e/e0/IMG_5789.JPG/300px-IMG_5789.JPG?resize=300%2C507&ssl=1) |