The free radical concentration (Ng) of kerogen is a valid index to study thermal maturation of organic matter and paleotemperature of sedimentary basin.是什么意思_The free radical concentration (Ng) of kerogen is a valid index to study thermal maturation of organic matter and paleotemperature of sedimentary basin.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句