时间简史第五章·基本粒子和自然的力（下）
Update: 2022-01-18
Description
当宇宙膨胀时，相对于将电子变成反夸克，这些力更容易将反电子变成夸克。然后，当宇宙膨胀并冷却下来，反夸克就和夸克湮灭，但由于已有的夸克比反夸克多，少量过剩的夸克就留下来。正是它们构成我们今天看到的物质，由这些物质构成了我们自己。
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