“orthopositronium”的概念、定义、翻译、参考文献-科学参考

单词	orthopositronium
释义	orthopositronium [¦ȯr·thō´päz·ǝ`trō·nē·ǝm] ^{PARTICLE PHYSICS} The state of positronium in which the positron and electron have parallel spins.
随便看	nudism nugget nuisance parameter null null allele nullary composition null-balance recorder null cell null character null cone null-current circuit null-current measurement null detection null detector null geodesic null hypothesis null indicator nullity null matrix null method null modem cable null reference system null sequence null set null space

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