“Devonian Period”的概念、定义、翻译、参考文献-科学参考

单词	Devonian Period
释义	Devonian Period Encyclopedia 理学古生代释 Devonian Period泥盆纪古生代的第四个纪，在志留纪之后，石炭纪之前。约开始于4.19亿年前，结束于3.59亿年前，持续时间约0.6亿年。泥盆纪时期形成的地层称泥盆系(Devonian System)。
随便看	heavenly stem heavenly stem-prescription of point selection Heaven One Pavilion in Ningbo heaven river water heavily damped wave heavily doped crystal Heaviness Principle Heaviside Heaviside calculus Heaviside crater Heaviside distribution Heaviside function Heaviside lambda Heaviside layer Heaviside-Lorentz unit Heaviside, Oliver Heaviside operational calculus Heaviside pi Heaviside step function Heaviside theta Heaviside unit function heavy added information constraint heavy aggregate heavy aromatics transalkylation process heavy atom effect

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