一个状态方程有关的压力，温度和气体密度。
An equation of state relates the pressure, temperature, and density of the gas.
至其最初始，宇宙必然是在一种非常高热高密度的状态下诞生的。
So the universe must have begun in a very hot and very compact state.
至其最初始，宇宙必然是在一种非常高热高密度的状态下诞生的。
So the universe must have begun in a very hot and very compact state.
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