| 单词 | pi-meson |
| 释义 | pi-meson (once / 11819311 pages) n WORD FAMILY pi-meson n a meson involved in holding the nucleus together; produced as the result of high-energy particle collision Syn|Hyper pion meson, mesotron an elementary particle responsible for the forces in the atomic nucleus; a hadron with a baryon number of 0 |
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