“Olduvai”的概念、定义、翻译、参考文献-科学参考

单词	Olduvai
释义	Olduvai Geology and Earth Sciences A normal polarity subchron which occurs within the Matuyama reversed chron. It is dated at 1.76–1.98 Ma ago.
随便看	undetermined multiplier undetermined multipliers Undillian Undina family undirected graph undirected graphical model undistributed middle, fallacy of the undistributed profits undo undocumented feature undrained test undulatus undulipodium undulose extinction unearned income unemployable unemployment unemployment benefit unemployment rate Unequal Treaties UNESCO uneven development unexpected examination paradox unexpected inflation unfair competition

科学参考收录了60776条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。