By calculating the calc-alkali index (CA) and alumina saturation index (ASI), the magma types of the granites can be roughly determined.是什么意思_By calculating the calc-alkali index (CA) and alumina saturation index (ASI), the magma types of the granites can be roughly determined.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句