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  1. density

    • IPA[ˈdɛnsɪti]

    英式

    • n.
      the degree of compactness of a substance;a measure of the amount of information on a storage medium
    • noun: density, plural noun: densities

    • 釋義
    • 相關詞
    • n.
      名詞
    • 1. the degree of compactness of a substance:

      a reduction in bone density

    • 2. a measure of the amount of information on a storage medium:

      a low-density floppy disk

    • 3. the quantity of mass per unit volume of a substance.
    • 4. the opacity of a photographic image.
    • 5. the quantity of people or things in a given area or space:

      areas of low population density

      a density of 10,000 per square mile

    • adj. denoting a substance with a high degree of compactness:

    • high-density foam

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    • n. short for probability density function

    • high-density foam

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    • n. the frequency of occurrence of stars, particles, or other heavenly bodies, per specified volume of space.

    • high-density foam

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    • n. the density of a particular gas or vapour relative to that of hydrogen at the same pressure and temperature.

    • high-density foam

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    • adj. (of a disk) able to store twice as much information as older disks of the same physical size.

    • high-density foam

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    • n. the electric charge per unit area of a surface, or per unit volume of a field or body.

    • high-density foam

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    • n. the amount of electric current flowing per unit cross-sectional area of a material.

    • high-density foam

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    • n. another term for specific gravity

    • high-density foam

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    • IPA[ˈdensədē]

    美式

    • n.
      the degree of compactness of a substance:
    • a reduction in bone density

    Powered by New Oxford American Dictionary

  2. 知識+

    • water density

      The maximum density of water is at 3.98 °C (39.16 °F). Water ...

    • ( about生物 ) 有什麼不一樣 ?

      density dependent factors密度制約因數=regulate populations according to the population density.人口的變化與人口的密度有關例如 :移民 ,疾病density independent factors非...

    • anchorage dependence要如何翻譯?

      ...上生長分裂的性質 http://www.biology-online.org/dictionary/Anchorage_dependence density-dependent inhibition: 密度制約抑制 細胞生長分裂到達一定密度時, 細胞彼此的接觸...