translation.en: Now we can rotate this set of charges in seven dimensions and consider an odd fact about the matter particles: the second and third generations of matter have exactly the same charges in six-dimensional charge space as the first generation. These particles are not uniquely identified by their six charges.
translation.zh: 现在可以在七维空间中旋转这个载荷集 同时考虑一下关于粒子的奇怪现象: 在六维载荷空间中 物质的第二代和第三代 拥有和第一代物质 相同的载荷 这些粒子通过对应的六个载荷无法一一识别