iridium anomaly
基本解释
- [地球科学]铱异常
- [化学]铱异常
- [生物学]铱异常
英汉例句
- The dating of the stable isotope of the egg shell and the enrichment anomaly of Iridium is used to inquire into the extinction of the dinosaurs.
利用测定蛋壳的稳定同位素和铱元素富集异常探讨恐龙绝灭； - After discovery of iridium anomaly in Early Cambrian stone coal in Hunan province, scientistsbegan to guess the possibility of a meteorite impact event from geochemical aspects.
湖南省早寒武世石煤层的铱异常发现之后，人们纷纷从地球化学方面推测一次陨石撞击事件的可能性。 - Eubrontes giganteus, for example, is there a mere 10, 000 years after the iridium anomaly.
ECONOMIST: The rise of the dinosaurs - Both an iridium anomaly and a fern spike appear in rocks at the end of the Triassic, too.
ECONOMIST: The rise of the dinosaurs
双语例句
权威例句
专业释义
- 铱异常
- 铱异常
- 铱异常