Correlation between the Carbon Isotope of Organic Matter and Magnetic Susceptibility in Topsoil and the Annual Precipitation in Arid and Semiarid Regions in North China是什么意思_Correlation between the Carbon Isotope of Organic Matter and Magnetic Susceptibility in Topsoil and the Annual Precipitation in Arid and Semiarid Regions in North China在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句