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齿羊齿类
释义
齿羊齿类
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理学
古植物学
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odontopterids
齿羊齿类
一类常见于晚石炭世至早二叠世的种子蕨类植物,以小羽片基部下延,全缘或具裂齿,扇状脉,叶轴二歧分叉为主要形态特征。
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X-ray film
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X-ray flaw detector
X ray fluorescence
X-ray fluorescence
Xray fluorescence
X-ray fluorescence analysis
Xray fluorescence analysis
X-ray fluorescence analysis for pharmaceutics
X-ray fluorescence analyzer
x-ray fluorescence log
X-ray fluorescence logger
X-ray fluorescence spectrometer
Xray fluorescence spectrometer
X-ray Fluorescence Spectrometry
X-ray fluorescence spectrometry
Xray fluorescence spectrometry
X-ray fluorescence spectroscopy
X-ray fluorescence spectrum
Xray fluorescence spectrum
X-ray fluorescence, XRF
X-ray fluoroscopy\photographing attachments
X-ray free electron laser
X-ray galaxy
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更新时间:2026/6/19 4:10:53