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亚利桑那大学的一位天文学家研制出一种浇铸相当轻的整块巨型玻璃反射镜的革命性方法。这种技术正被用于建造亚利桑那格雷厄姆山顶一台8米f/1的红外望远镜。对天文学家说来,这座山是美国最好的地点之一。
An astronomer at the University of Arizona has developed a revolutionary method of casting a rather light monolithic goggles. This technology is being used to build an 8-meter f / 1 infrared telescope on top of Graham Hill, Arizona. To the astronomers, this mountain is one of the best places in the United States.