This paper presents a gas density monitor system.
介绍了一种微机控制气体浓度监测报警系统。
This paper represents a gas density monitor system.
介绍了一种微机控制气体浓度监测报警系统。
An equation of state relates the pressure, temperature, and density of the gas.
一个状态方程有关的压力，温度和气体密度。
We say the gas becomes ideal in the zero-density limit.
我们说在零密度的极限条件下，气体变成理想的。
He found that the viscosity of a gas is independent of its density.
他发现气体的黏性不取决于它的密度。
He found that the viscosity of a gas is independent of its density.
他发现气体的黏性不取决于它的密度。
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