explorations探寻explorationn.探险；探索；勘探；探测Exploration and protection挖掘保护Exploration or aortic arch主动脉弓探查术exploration reading method探究阅读法Explorational Geochemistry勘查地球化学exploration and evaluation勘查评价exploration and experience体验与探究exploration stage division勘探阶段划分exploration and developmen勘探开发Exploration of blood vessel血管探查exploration factor analysis探索性因素分析