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
praef查看　praef　在百度字典中的解释百度英翻中〔查看〕
praef查看　praef　在Google字典中的解释Google英翻中〔查看〕
praef查看　praef　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:


  • Bird intelligence - Wikipedia
    Birds can also have twice the neuron packing density of primate brains, in some cases similar to the total number of neurons in much larger mammal brains, for a higher unit mass per volume This suggests that the nuclear architecture of the avian brain has more efficient neuron packing and interconnections than mammal brains
  • Seasonal variation in community composition and . . .
    We recorded 314 species during the breeding season and 296 species during the non-breeding season, yielding 368 species in total The estimated species richness of the selected replicates reached peaks in a lower-elevational band (i e 1,300–1,600 m a s l ) in the breeding season and a middle-elevational band in the non-breeding season (1,600
  • Prioritizing global conservation of migratory birds over . . .
    On the other hand, there is an increasing recognition that maintaining ecological connectivity is fundamental to species persistence 13, 14, 15 This is because a network of connected habitats allows individuals to seek out food and habitat resources, avoid predation or anthropogenic threats, and promote gene flow, 14, 16 especially considering the accelerating rate of habitat loss and climate
  • The decline of mammal functional and evolutionary diversity . . .
    Earth is likely entering its sixth mass extinction event (1–3), this one attributable to the actions of a single species: humans The current loss of vertebrate species is estimated to be ∼1,000 times faster than the background rate of extinctions from the fossil record ()
  • #BringBirdsBack
    Published in Science by researchers at seven institutions, the findings show that 2 9 billion breeding adult birds have been lost since 1970, including birds in every ecosystem The losses include iconic songsters such as Eastern and Western Meadowlarks (down by 139 million) and favorite birds at feeders, such as Dark-eyed Juncos (down by 168
  • How a Tern Broke the Record for the Longest Known Migration
    The tern’s trip marks the longest migration ever recorded—the equivalent of flying around the circumference of the Earth twice, plus 10,000 miles Leaving the Farnes Islands last July, the tern reached the tip of South Africa in just one month
  • IMPACTS OF FREE-RANGING DOMESTIC CATS (FELIS CATUS) ON BIRDS . . .
    an estimated total of 117–157 million free-rang-ing cats in the United States GLOBAL IMPACTS OF CAT PREDATION ON BIRD POPULATIONS Studies from around the world show that domestic cats kill large numbers of wild-life, including a wide range of bird species (Dickman 1996, Lepczyk et al 2004, Calver et al 2007; Fig 1) In a global review of





中文字典-英文字典  2005-2009