time of origin
美
英 
英漢解釋
例句
This estimated time of origin is decades earlier than the previous estimate of 1930.
此次估計的起源時間比原以為的1930年要早數十年。
Fossil Records and Molecular Clock Study of the Time of Origin of the Precambrian Biologic Lineages
前寒武紀生物起源時間的化石和分子鐘研究