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heliostat

音标['hi:liәstæt]

汉语翻译

n. 日光反射装置
【医】 定日镜

heliostat详细解释

he.li.o.stat

n.(名词)
An instrument in which a mirror is automatically moved so that it reflects sunlight in a constant direction. It is used with a pyrheliometer to make continuous measurements of solar radiation.
定日镜:一种仪器,装有一面会自动调控的镜子,以便不断朝某一恒定方向反射日光。与太阳热量计同时使用,以保持对太阳辐射的不间断测量

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