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Olduvai n
earth.sc. 奥尔都维极性事件
 English thesaurus
Olduvai abbr.
abbr., geol. the Olduvai (MichaelBurov); paleomagnetic chron Olduvai (MichaelBurov); paleomagnetic epoch Olduvai (MichaelBurov); paleomagnetic Olduvai chron (MichaelBurov); Olduvai chron (MichaelBurov); Olduvai epoch (MichaelBurov)
Olduvai: 4 phrases in 3 subjects
Agriculture1
Oil / petroleum1
Technology2