parapositronium 中文意思是什麼
parapositronium
解釋
仲-正子素-
If the spins are in the same direction, the state is called orthopositronium; if they are opposite, we speak of parapositronium.
若方向相同，則稱該自旋態的電子偶素為正電子偶素；若方向相反，則稱為仲電子偶素。
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