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1. The π-meson is a particle that has a mass of approximately 110 MeV/c².
π介子是一种质量约为110 MeV/c²的粒子。
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2. The discovery of the π-meson in 1934 revolutionized our understanding of quantum mechanics.
1934年发现π介子,彻底改变了我们对量子力学的理解。
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3. In particle physics, the π-meson is used to study the behavior of subatomic particles.
在粒子物理学中,π介子被用来研究亚原子粒子的行为。