positron 

  1. 名詞
正電子, 陽電子
/此名詞複數為"positrons"/

    
                        
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例句

                

                    
    
                                                    
  1. 
                                The positron was observed by Carl Anderson in 1932.                            
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  2. 
                                Rubidium-82 is used for positron emission tomography.                            
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  3. 
                                Suppose the electron and positron were initially at rest.                            
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  4. 
                                Where does that put the Positron in an antimatter system ?                            
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  5. 
                                The simplest answer is that a positron is an anti-electron.                            
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