Researchers test microgravity mechanism in FAST maintenance

    Source: Xinhua| 2019-08-31 07:52:43|Editor: Yamei
    Video PlayerClose

    (SCI-TECH)CHINA-GUIZHOU-FAST TELESCOPE-MICROGRAVITY-MAINTENANCE (CN)

    A staff member completes a maintenance task of the reflector panels on the Five-hundred-meter Aperture Spherical Radio Telescope (FAST) with the help of a microgravity mechanism in Pingtang County, southwest China's Guizhou Province, Aug. 30, 2019. Researchers with the China-based FAST, the world's largest single-dish radio telescope, on Friday tested a microgravity mechanism in the maintenance of the telescope's 4,450-panel reflector. The micro-G mechanism aims to help reduce the maintenance staff's body weight to a value within the reflector panels' range of durability using a helium-filled balloon 7.6 meters in diameter. (Xinhua/Ou Dongqu)

    |<<   Prev 11 12 13 14 15 Next  

    KEY WORDS:
    EXPLORE XINHUANET
    010020070750000000000000011103261383525261
    主站蜘蛛池模板: 麻豆免费高清完整版视频| 一级视频在线免费观看| 狠狠色丁香久久婷婷综合五月| 国产探花在线视频| JZZIJZZIJ日本成熟少妇| 日本伊人精品一区二区三区| 亚洲成a人片77777群色| 精品国产成a人在线观看| 国产成人精品免费视频大全办公室 | 中文字幕精品一区二区2021年 | 两个美女脱了内裤互摸网沾| 果冻传媒视频在线观看| 人妻少妇一区二区三区| 国产在线精品香蕉麻豆| 在线播放免费人成视频在线观看| 久久久久中文字幕| 欧美一区二区三区久久综合| 他强行给我开了苞| 老师您的兔子好软水好多动漫视频 | 老师你的兔子好软水好多的车视频| 国产真实乱系列2孕妇| A级毛片成人网站免费看| 插插插综合视频| 久萆下载app下载入口| 欧美日韩精品一区二区在线播放| 午夜a一级毛片一.成| 青草草在线视频永久免费| 国产精品久久久久久久久久免费| 99精品热这里只有精品| 性高朝久久久久久久| 久久亚洲色一区二区三区| 欧美与黑人午夜性猛交久久久| 亚洲精品高清国产麻豆专区| 精品国产高清自在线一区二区三区 | 欧美成人精品第一区| 伊人久久大香线蕉亚洲五月天| 自拍偷自拍亚洲精品播放| 国产成人精品cao在线| 1313mm禁片视频| 國产一二三内射在线看片| 一区二区三区欧美日韩国产|