英语词汇pre-exponential factor怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	pre-exponential factor
释义	pre-exponential factor 简明释义预指数因子：在化学反应速率方程中，指数项前的常数因子，表示反应速率与反应物浓度的关系。网络释义短语 1 pre-exponential frequency factor 指前频率因子双语例句 1 Thermal decomposition results were analyzed, and kinetics parameters such as apparent activation energy, pre-exponential factor and reaction heat were calculated. 分析了其绝热分解的过程，计算了表观活化能、指前因子和反应热等参数。
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