英语词汇upsilon particle怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	upsilon particle
释义	upsilon particlen.（名词） An electrically neutral meson having a mass 18,513 times that of the electron and a mean lifetime of approximately 8.0 × 10^-20 seconds. γ微粒：为电中性的介子，其质量是电子的18,513倍，平均寿命约为8.0 * 10-²⁰ 秒
随便看	potash muriate potassium potassium acid carbonate potassium-argon potassium bicarbonate potassium bichromate potassium bitartrate potassium bromide potassium carbonate potassium chlorate potassium chloride potassium cyanide potassium dichromate potassium hydroxide potassium iodide potassium muriate potassium nitrate potassium permanganate potassiums potassium sodium tartrate potassium sulfate potassium–argon potation potations potato

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