1)lithology indicator,岩性指示2)lithology-indicator ratio,岩性指示比3)lithology indicator simulation,岩性指示模拟4)Silicon/Calcium and lithology-indicator ratio curves,硅钙比和岩性指示曲线5)indicators,指示性指标6)mandatory instruction,指示性指令
用法例句
A study of indicators of anthropogenic influence and water-rock interaction in groundwater system in the urban region of Beijing;