cosmic background radiation造句

• Cosmic background radiation
  宇宙背景辐射
• Smoot ' s group at lawrence berkeley national laboratory and the university of california at berkeley is observing our galaxy and the cosmic background radiation that is remnant from the fiery beginning of our universe
  斯莫特在劳伦斯伯克利国家实验室的研究小组正在观察太阳系以及宇宙背景放射，而这种射线被认为是宇宙大爆炸之后的存留物。
• According to big bang theory , the early universe is a hot , dense and opaque fluid of electrons and protons . this hot plasma constantly emits , scatters and reabsorbs photons and is the source of the cosmic background radiation
  根据大爆炸理论，早期的宇宙主要由电子和质子组成，是一团高密度极端炽热不透光的等离子体，它不断放射散射和吸收光子，是宇宙背景辐射的源头。
• This dissertation gives detailed study to this 4d solution , especially to the equivalent or induced 4d energy - momentum tensor of the solution . it is found that this 4d solution can be interpreted as to describe exterior fields of a spherically symmetric star immersed in a homogenous and isotropic cosmic background radiation
  本文对4维解，尤其是对该4维解所对应的einstein场方程中的能量-动量张量源，进行了详细研究，发现它可以解释为一个温度不为零的球对称星体的外部解。