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寒武纪大爆发
释义
寒武纪大爆发
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理学
古生物学
释
Cambrian explosion
寒武纪大爆发
地球生命系统起源与演化早期发生的一次多样性爆发式增加事件。具体是指距今5.4亿~5.0亿年间,地球海洋生命系统中“突然”出现了门类众多的后生动物(包括无脊椎动物和脊椎动物)。
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Iverson
Iverson brackets
IVFZ
I. V. Girsanov
I. V. Girsanov (1934—1967)
Ivindo River
IVOA
Ivolga Cemetery
Ivolga Fortress
Ivo Pogorelich
Ivor Armstrong Richards
Ivor Wilks
Ivory
ivory
Ivory Carving Boxes with Cloud Pattern
Ivory Carvings Brush Pot with Picture of Fishing Enjoyment Signature of Huang Zhenxiao
ivory carving Scrolls of Noble Ladies’ Relaxed Life under the Moon
ivory carvings of the Ming and Qing Dynasties
ivory flute carved with opera scenes preserved in Suzhou City
ivory hunter
Ivory Mat
ivory product
Ivory Rule of Jiajing
ivory sculpture and carving
Ivory Snuff Bottle with Picture of Red-crowned Crane in Qianlong Reign
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