英语词汇reflectance of coal maceral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	reflectance of coal maceral
释义	reflectance of coal maceral 简明释义煤显微组分反射率网络释义 1 ?反射率反射率双语例句 1 Coal maceral indexes mainly include the quantitative statistics of coal macerals and the measurement of vitrinite reflectance. 常用的煤岩学指标主要有显微组分的定量统计和镜质体反射率的测定。
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