释义 |
formation period 基本例句 形成时期 They plan to the next step in-depth study of the comet dust grains in the meteorite ballformation period.他们计划下一步深入研究彗星尘埃中陨石球粒的形成时期。 Theformation periodof Maodun sub_arch is a key constraint on oil and gas exploration in Chagan depression.查干凹陷毛敦次凸起的形成时期是制约查干凹陷油气勘探的关键因素。 |