6 词条主页 > 词条 > 塞尔维亚克罗地亚语 (SH) > alfa čestica
alfa čestica
A kind of positively charged subnuclear particle (consisting of 2 protons and 2 neutrons) given off by some isotopes when they decay or fission.
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- 行业/领域： 人类学
- 类别 体质人类学
- Company: Palomar College
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