Planetary geologists have calculated the relative portions of oxygen isotopes in samples in the Earth, the Moon, Mars, and meteorites, but were extensive struggling to attain reference values to the isotope ratios while in the Sunshine, considered for being the same as Individuals with the primordial solar nebula. 是的，所有推荐的站点都支持中文输入和输出，其中部分站点提供全中文界面。 ... https://muqtadad100din7.wikipublicity.com/user