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


  • Aquifer - Wikipedia
    An aquifer is an underground layer of water -bearing material, consisting of permeable or fractured rock, or of unconsolidated materials (gravel, sand, or silt) Aquifers vary greatly in their characteristics The study of water flow in aquifers and the characterization of aquifers is called hydrogeology
  • Aquifer
    Aquifer is dedicated to providing the best online clinical learning resources for medical and health professions teachers and learners With 15 million virtual patient cases completed since our founding in 2006, Aquifer is the trusted leader in online clinical learning
  • Aquifers - Education | National Geographic Society
    An aquifer is a body of rock and or sediment that holds groundwater Groundwater is the word used to describe precipitation that has infiltrated the soil beyond the surface and collected in empty spaces underground There are two general types of aquifers: confined and unconfined
  • Aquifer | Types Facts | Britannica
    Aquifer, in hydrology, rock layer that contains water and releases it in appreciable amounts The rock contains water-filled pore spaces, and, when the spaces are connected, the water is able to flow through the matrix of the rock Wells drilled into aquifers are important sources of fresh water
  • Aquifers and Groundwater | U. S. Geological Survey - USGS. gov
    When a water-bearing rock readily transmits water to wells and springs, it is called an aquifer Wells can be drilled into the aquifers and water can be pumped out Precipitation eventually adds water (recharge) into the porous rock of the aquifer
  • What Is An Aquifer? - WorldAtlas
    An aquifer is not an underground river, but a porous layer of rocks Aquifers vary in depth and the ones closer to the top layer, which is mostly used for irrigation and water supplies, are topped up by rainwater
  • Aquifers: Where are They Found, Types of Aquifers and How Do They Work
    Aquifers are bodies of well-saturated rocks that make way for the easy movement of water So, when a saturated rock transmits its water to a well or spring, one can define it as an aquifer An aquifer needs to be penetrable and porous and it is usually created by rocks like sandstone, limestone, gravel, sand, and conglomerates
  • Aquifers Explained: Definition, Types, Importance and Conservation
    Aquifers are one of the most important elements in the Earth’s hydrological cycle and are natural reservoirs that store and transport groundwater These groundwater resources are important for drinking water, agriculture and industry, and are essential for human survival and ecological balance
  • Types of Aquifers (With Diagram) | Hydrogeology - Geography Notes
    Aquifer serves as a transmission conduct from storage reservoirs It transports water from recharge area to surface bodies of water and other collecting devices There are many types of aquifers
  • TYPES of AQUIFERS and their classification - Summary
    Aquifers are geological formations with hydraulic properties that allow the storage and free transmission of water through its pores or cracks Between the parts of an aquifer, can be distinguished: The water table The saturation zone The waterproof layer





中文字典-英文字典  2005-2009