The momentum of the particles was deduced from meteoritic velocities.粒子的冲量可以从陨石速度推导出来....

meteoritic的音标：meteoritic的英式发音音标为：[mi:tɪə'rɪtɪk]meteoritic的美式发音音标为：[mitɪr'rɪtɪk]...

adj.陨石的...