As noted above, in the standard picture of BBN, all of the light element abundances depend on the amount of ordinary matter (baryons) relative to radiation (photons).
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- 如上所述,在太初核合成的标准图形中,所有轻元素的丰度取决于所有能被观察到的普通物质(重子)相对于辐射(光子)的比率。