名词
中文翻译：Unknown
同义词：
['radio telescope', 'radio telescope', 'radio telescope']
例句：
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1. The radio heliograph is used to observe the sky at night.
射电天文台用于夜间观测天空。
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2. The radio heliograph has revolutionized our understanding of the universe.
射电望远镜已经改变了我们对宇宙的理解。
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3. The radio heliograph is a crucial tool for astronomers to study distant galaxies.
射电望远镜是天文学家研究遥远星系的关键工具。