英语词汇“B meson”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	B meson
释义	B meson n. Either of two mesons, one neutral and one positively charged, containing a bottom antiquark and having masses about 10,330 times that of an electron and mean lifetimes of about 1.6 × 10^-12 second.
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