单词missing-mass
网络: 暗物质；质量；丢失质量
At the time, astronomers referred to the material as "missing mass" .
在那时，天文学家把这物质称为“短缺的质量”。
Determining the nature of this missing mass is one of the most important problems in modern cosmology .
测定这缺少的物质性质就是现代宇宙论最重要问题之一。
Dark matter is believed to be part of the missing mass.
暗物质也被认为是遗失质量的一部分。
Hence, the more appropriate term "dark matter" came to supercede "missing mass" .
因此，更恰当的术语“暗物质”就取代了“短缺的质量”。