precursors前驱体
precursorn.先驱;前任;前兆;[生物]前体,前驱体
precursor infiltration pyrolysis先驱体浸渍裂解
precursor rule of phytogeography植物地理先兆法则
precursor carbonization composite前驱体碳化复合
precursor pattern of thermal field热场前兆模式
precursor infiltration and pyrolysis先驱体转化
precursory information of earthquake地震前兆
precursor numbers of monadic-order一阶先驱数
Precursory abnormity of short-term短期前兆异常