延展紀

Chinese

to stretch out; to extend period
trad. (延展紀) 延展 紀
simp. (延展纪) 延展 纪

Pronunciation

Proper noun

延展紀

  1. (geology) the Ectasian period (part of the Mesoproterozoic era, spanning from 1.4 to 1.2 billion years ago)
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