“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	optical fiber spectrum shaper optical fiber technology in astronomy optical fiber temperature sensor optical fiber terminal connection technology optical fiber transducer optical fiber transmission system optical fiber vibration intrusion detector optical fibre optical fibre cable optical field optical field induced birefringence optical field, light field optical film optical filter optical flame fire detector optical flare optical flash optical flat optical flatness optical flight control optical flow optical flow navigation optical focal points optical Fourier analysis optical Fourier transform

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