常見例句雙語例句A method of studying the characters was proposed by the piecewise process and the polytropic exponent based on ideal gas polytropic equation adapted generally at present.針對目前普遍采用的理想氣體多變方程，提出分段處理多變指數(shù)的研究方法。The relationship between parameters such as polytropic exponent, charge volume, effective volume and pressure ratio of accumulator, and influence on energy density were particularly detailed analyzed.結(jié)果表明，選用結(jié)構(gòu)類型和容積合適的蓄能器及較低充氣壓力的蓄能器，可有效地增加回收能量并減輕車輛重量。 返回 polytropic exponent