... mass of the produced nuclei 生成核质量 mass of the universe宇宙质量 mass on chemical scale 化学标度质量 ...
双语例句
1
The reason is so-called dark matter, the hidden stuffthat makes up more than 80 per cent ofthemassoftheuniverse.
原因在于所谓的暗物质，这种隐藏的物质占了宇宙质量的80%以上。
2
If the dark matter is made mostly of MACHOs, then it is likely that baryonic matter does make up most ofthemassoftheuniverse.
如果暗物质主要由大孩子组成，那么就有可能重子物质确实组成了我们宇宙的大部分物质。
3
Our findings suggest that as much as 90 percent ofthemassoftheuniverse is not radiating at any wavelength with enough intensity to be detected on the Earth.