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Crop circles, when depicting a date, seem to be connected to astronomical events.
当描写一个期时, 麦田圈看起来与地理事有着关联.
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The unsteady air is the most dangerous source of disturbance for astronomical photography.
不稳定的空气便是天文照相最危险的干扰源.
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This not astronomical teacher to announce on classroom: " I suggest you see eclipse tonight. "
这不,当天文学老师在课堂上公布: “ 我建议你们今晚看月蚀. ”
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On smooth glass the metal makes a perfect film, especially suitable for astronomical mirrors.
在平滑的玻璃上,这种金属会形成很完美的薄膜, 特别适合于制作天文望远镜的镜面.
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天象部分是采用现代天文方法计算得出的,准确可靠.
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The theory and characteristics of friction drive for a large astronomical telescope were presented.
研究了大型天文望远镜摩擦传动系统的运行原理和特性,并进行了实验.
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The annual drug bill of the Health Services is mounting to astronomical figures.
卫生部门的年度药费快达到天文数字了.
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