1.  specific heat ratio
2.  adiabatic index
3.  adiabatic exponent
4.  isentropic exponent

• 1. 绝热指数: heat capacity ratio | adiabatic exponent | adiabatic index | specific heat ratio
• 2. 理想气体的绝热指数: adiabatic index of ideal gases
• 3. 容积绝热指数: Isentropic volume change exponent

更多释义

• 1.否则，气体常数值，绝热指数值无法确定，后续计算也无法进行。
  Otherwise, the value R of the gas constant and value K of adiabatic exponent can not be determined and the subsequent calculation also can not be conducted.
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