有范 >在线工具 >词汇“positron英语造句_怎么用_例句及翻译-英语辞典
2026-01-06

“positron”例句

单词 positron
例句 DEFINITIVE EXAMPLES 权威例句〔PET scanner〕A device that produces cross-sectional x-rays of metabolic processes by means of positron emission tomography.正电子发射层析扫描仪:一种装置,通过正电子放射的X射线断层照相术产生的模截面X射线的代谢过程美国传统〔annihilate〕To participate in annihilation, as do an electron and a positron.湮灭,湮没:湮灭,如电子与正电子美国传统〔beta particle〕A high-speed electron or positron, especially one emitted in radioactive decay.β粒子:一种高速电子或质子,主要在放射衰变中释放出美国传统〔electron pair〕The combination of an electron and a positron as produced by a high-energy photon.电子对:高能光子产生的一个电子和一个阳电子的组合美国传统〔negatron〕An electron with a negative charge, as contrasted with a positron.电子:带有负电荷,与正电荷相反的电子美国传统〔positronium〕A short-lived association of an electron and a positron bound together in a configuration resembling the hydrogen atom.电子偶素,正电子素:电子与正电子的短暂结合物,两者的结合物与氢原子的结构十分相似美国传统
“positron”例句

 

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