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The feed cabin supporting system of 皇冠体育app's single-aperture spherical telescope "FAST" is under test in Qiannan of Southwest 皇冠体育app's Guizhou province, Nov 21, 2015.[Photo/Xinhua] |
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A piece of reflector of 皇冠体育app's single-aperture spherical telescope "FAST" is seen as the project is under construction in Qiannan of Southwest 皇冠体育app's Guizhou province, Nov 21, 2015.[Photo/Xinhua] |