gas constant

gas-constant的词性：
n.Symbol R Physics （名词）符号 R 【物理学】

1. A constant, equal to 8.314 joules per Kelvin or 1.985 calories per degree Celsius, that is the constant of proportionality (R) in the equation Pressure × Volume = (R) × Temperature, relating the pressure and volume of a quantity of gas to the absolute temperature.
气体常数：一个常数，每绝对温度等于8.314焦耳或每摄氏度1.985卡，这是方程式压力×体积=比例常数（R）×温度中的比例常数，与达到绝对温度的一定数量气体的压力和体积有关