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１９世纪初卢瑟福根据ａ粒子的散射效应提出了原子的核式模型，１９１９年他又利用天然放射性物质所辐射的、ａ粒子轰击氮第一次完成了人工核反应，物理学研究从此进入了核的领域．而加速器的发明无疑是推动这一领域的研究迅猛发展的重要因素．正是因为有了加速器，人类才得以?
At the beginning of 19th century, Rutherford put forward a nuclear model based on the scattering effect of a particle. In 1919, he radiated again with natural radioactive material. A particle bombardment of nitrogen completed the artificial nuclear reaction for the first time and the study of physics entered into Nuclear field. The invention of accelerators is undoubtedly an important factor driving the rapid development of research in this field. It is because of accelerators, human beings can?