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pi-meson

美 [paɪ ˈmeɪˌzɑn]英 [paɪ ˈmiːzɒn]

n.π介子

pi-meson

pi-meson

英英释义

noun

a meson involved in holding the nucleus together;produced as the result of high-energy particle collision: Synonym: pion

数据来源：WordNet

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