“antihelium”的概念、定义、翻译、参考文献-科学参考

单词	antihelium
释义	antihelium [¦an·tē`hē·lē·ǝm] ^{ATOMIC PHYSICS} The antimatter counterpart of helium, whose atoms each consist of two orbiting positrons and a nucleus composed of two antiprotons and either one or two antineutrons.
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