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:



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:


  • PubMed Central (PMC)
    We would like to show you a description here but the site won’t allow us
  • Malaria Fact Sheet - New York State Department of Health
    In the United States, most infections are a result of travel to foreign countries though local transmission has occurred, particularly in states such as Florida and Texas In New York State, nearly all cases of malaria are associated with foreign travel however rare instances of local transmission of malaria have occurred in Long Island and New
  • Human–Mosquito Contact: A Missing Link in Our Understanding . . .
    For mosquito species v and vertebrate host species h, we define vector–host contact rate (c vh) as the total number of contact events between individuals of species v and species h per unit time for a given area of interest These contact events include either blood-feeding or biting, which could allow for pathogen transmission
  • Endemics, Epidemics and Pandemics - Physiopedia
    Infectious diseases are spread by either bacterial or viral agents and are ever-present in society Usually infected cases are present in numbers below an expected thresholdA but every once in a while there may be an outbreak, a new strain or a new disease that has a significant impact at either a local or global level #91;1 #93; The spread and rate of new cases can be classified as #91;1 #93;:
  • How Many Species Are There on Earth and in the Ocean?
    Author Summary Knowing the number of species on Earth is one of the most basic yet elusive questions in science Unfortunately, obtaining an accurate number is constrained by the fact that most species remain to be described and because indirect attempts to answer this question have been highly controversial Here, we document that the taxonomic classification of species into higher taxonomic
  • Invasive mosquitoes colonising Europe - what can we do?
    Dengue is a mosquito-borne viral disease widely spread in tropical and subtropical regions It is transmitted by Aedes mosquitoes Most of the clinical cases present a febrile illness, severe forms include hemorrhagic fevers and shock with fatalities
  • Evolution of mosquito preference for humans linked to an . . .
    Live mosquito eggs were imported to the USA with permits issued by the United States Department of Agriculture and the Centers for Disease Control and Prevention The use of non-human animals in host preference tests at Rockefeller was approved and monitored by The Rockefeller University Institutional Animal Care and Use Committee (Protocol 11487)





中文字典-英文字典  2005-2009