N the antiparticle of the proton; a particle having the same mass as the proton but an equal and opposite charge 反质子
The Tevatron works with protons and antiprotons.
而兆电子伏加速器使用的是质子和反质子。
Now astrophysicists say they've finally discovered this long-fabled belt of antiprotons.
现在天体物理学家说，他们终于发现了这条长期存在于传说中的反质子带。
Unfortunately hadrons, such as protons and antiprotons, are made of smaller bits called quarks.
不幸的是，强子，比如质子和反质子，是由名为夸克的更小单元所组成的。
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