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同义词： beta radiation electron radiation
以上来源于: WordNet
N a stream of beta particles β射线
The latter particles are indeed introduced in the theory of positive beta-ray emission;
后者其实是在正贝塔射线的放射理论中被提出来的。
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Changes in soybean water status have also been measured by beta ray gauging.
大豆水分状况的变化也已用射线计量器测出。
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