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单词 θ5463
释义
the world > the earth > structure of the earth > age or period > [noun] > secondary or Mesozoic > Jurassic > Jurassic spec. (3)
Oxfordian1849

Geology. The Oxfordian stage or period (see sense B. 2).

Callovian1856

Chiefly with the. The Callovian stage or period.

Pliensbachian1903

A stage of the Lower Jurassic in Europe lying above the Sinemurian and below the Toarcian; the geological age during which this was deposited…

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更新时间:2025/2/27 18:17:42