Glossary term: 核裂变
Description: 核裂变是重元素的原子核分裂成两个较轻原子核的过程。剩余物质的质量小于原始原子核的质量，而减少的质量则以能量的形式释放出来。
核裂变产生的两个较轻原子核本身通常具有放射性，可通过放射性衰变释放更多能量。
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Term and definition status: The original definition of this term in English have been approved by a research astronomer and a teacher The translation of this term and its definition is still awaiting approval
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