英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   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       







请输入英文单字,中文词皆可:


请选择你想看的字典辞典:
单词字典翻译
Triatic查看 Triatic 在百度字典中的解释百度英翻中〔查看〕
Triatic查看 Triatic 在Google字典中的解释Google英翻中〔查看〕
Triatic查看 Triatic 在Yahoo字典中的解释Yahoo英翻中〔查看〕





安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • Accelerated modern human–induced species losses . . . - Science
    The loss of biodiversity is one of the most critical current environmental problems, threatening valuable ecosystem services and human well-being (1–7) A growing body of evidence indicates that current species extinction rates are higher than the pre-human background rate (8–15), with hundreds of anthropogenic vertebrate extinctions documented in prehistoric and historic times (16–23)
  • Biodiversity: our solutions are in nature - UNEP
    Billions of people depend on natural resources for their livelihoods, food and energy, which are vital to human well-being Among the hundreds of millions of people living in poverty, 70 per cent are directly dependent on wild species, and one in five people globally rely on wild species for income and food Elephants CMS Photo by Carolyn Weis
  • Discoveries of new mammal species and their implications for . . .
    Many assume that nearly all mammal species are known to scientists We demonstrate that this assumption is incorrect Since 1993, 408 new mammalian species have been described, ≈10% of the previously known fauna Some 60% of these are “cryptic” species, but 40% are large and distinctive
  • Evolution of the wolf - Wikipedia
    Illustration of a Pleistocene wolf cranium that was found in Kents Cavern, Torquay, England [1] It is widely agreed that the evolutionary lineage of the grey wolf can be traced back 2 million years to the Early Pleistocene species Canis etruscus, and its successor the Middle Pleistocene Canis mosbachensis
  • Biological annihilation via the ongoing sixth mass extinction . . .
    The predominant category of range contraction is ≥80% in Africa (56% of the sampled mammal species), Asia (75% of the species), Australia (60% of the species), and Europe (40% of the species) In the Americas, range contractions are less marked but still considerable: 22% of the species in North America and 17% of the species in South America
  • Lists of animals - Wikipedia
    Over 1 5 million living animal species have been described—of which around 1 million are insects—but it has been estimated there are over 7 million in total Animals range in size from 8 5 millionths of a metre to 33 6 metres (110 ft) long and have complex interactions with each other and their environments, forming intricate food webs
  • Global Mammal Conservation: What Must We Manage? - AAAS
    10% of the range of each species, and (v) con-servation conflicts in priority areas We created maps for 4795 mammal species, excluding only marine species, from the litera-ture (14, 15) To evaluate the minimum area required for preserving these mammal species, we compared Bminimal[ and [conservative[preservation criteria Under the minimal crite-





中文字典-英文字典  2005-2009