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瓮安生物群
释义
瓮安生物群
Encyclopedia
理学
古生物学
释
Weng'an biota
瓮安生物群
发现于中国贵州瓮安一带,距今6.3亿~6.1亿年的多门类、种类丰富、类型多样的海洋生物群。以动物胚胎、多细胞藻类和大型带刺疑源类等化石为主,化石个体通常不足200微米。
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gradiometer
gradiometry technology
gradual and sudden change
Gradual awakening
gradual burst
gradual control
gradual ionospheric disturbance
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graduated arc
graduated circle
graduated fall line
graduated filter
graduated leaker
graduated pipet
graduated scale
graduate from an old-style opera school
Graduate Institute of Astronomy, National Central University, Taiwan, China
Graduate Institute of Museum Studies, Fu Jen Catholic University
Graduate Institute of Museum Studies,Taipei National University of the Arts
graduate nursing education
Graduate Record Examination
Graduate Record Examinations
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Graduate School of Information and Media Studies, University of Tsukuba
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更新时间:2026/4/15 8:48:24