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1. The International Astronomical Union is the leading organization for astronomers worldwide.
国际天文学联合会是全球天文学家的领先组织。
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2. The IAUPE conference in Paris was a great success, attracting many experts from around the world.
巴黎的国际天文学联合会会议取得了巨大成功，吸引了来自世界各地的许多专家。
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3. The IAUPE has been working on a new mission to explore the mysteries of the universe.
国际天文学联合会一直在努力开展一项新的任务，探索宇宙的奥秘。