英文字典中文字典Word104.com



中文字典辭典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z   


安裝中文字典英文字典辭典工具!

安裝中文字典英文字典辭典工具!








  • Permian - Wikipedia
    The Permian ( ˈpɜːrmi ən PUR-mee-ən) [4] is a geologic period and stratigraphic system which spans 47 million years, from the end of the Carboniferous Period 298 9 Ma (million years ago) to the beginning of the Triassic Period 251 902 Ma
  • Permian Period | Plants, Animals, Extinction, Facts - Britannica
    Permian Period, in geologic time, the last period of the Paleozoic Era The Permian Period began 298 9 million years ago and ended 252 2 million years ago, extending from the close of the Carboniferous Period to the outset of the Triassic Period
  • Permian Period—298. 9 to 251. 9 MYA - U. S. National Park Service
    During the Permian Period, Earth’s crustal plates formed a single, massive continent called Pangaea In the correspondingly large ocean, Panthalassa, marine organisms such as brachiopods, gastropods, cephalopods (nautiloids and ammonoids), and crinoids were present
  • The Permian Period
    The Permian period lasted from 299 to 251 million years ago* and was the last period of the Paleozoic Era The distinction between the Paleozoic and the Mesozoic is made at the end of the Permian in recognition of the largest mass extinction recorded in the history of life on Earth
  • Permian Period and Extinction - National Geographic
    The Permian period, which ended in the largest mass extinction the Earth has ever known, began about 299 million years ago
  • Permian - New World Encyclopedia
    Three general areas are especially noted for their Permian deposits: the Ural Mountains, China, and the southwest of North America, where the Permian Basin in the U S state of Texas is so named because it has one of the thickest deposits of Permian rocks in the world
  • 38 Facts About Permian
    Discover 38 fascinating facts about the Permian period, from mass extinctions to the rise of reptiles, and how it shaped Earth's history
  • Permian Period - Geology, Extinction, Climate | Britannica
    The Permian Period is subdivided into Early (Cisuralian), Middle (Guadalupian), and Late (Lopingian) epochs corresponding to the Cisuralian, Guadalupian, and Lopingian rock series


















中文字典-英文字典  2005-2009

|中文姓名英譯,姓名翻譯 |简体中文英文字典