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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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satellite radio and television transmission
satellite ranging
satellite relay
satellite remote sensing
satellite remote sensing for coastal terrain
satellite remote sensing marine environmental monitor
satellite remote sensing of land surface parameters
satellite remote sensing of sea surface parameters
satellite remote sensing sounding inversion
satellite RNA/DNA
satellite-rocket separation test
satellite sea surface wind measurement
satellite-sensed event
satellite sequence
satellites of Jupiter
satellites of Mars
satellites of Neptune
satellites of Pluto
Satellites of Saturn
Satellites of Uranus
satellite structure
satellite sunspot
satellite switching and routing technology
satellite system
satellite television
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