density

英 [ˈdensəti] 美 [ˈdensəti]

n.  密集; 稠密; 密度; 浓度; 密度(固体、液体或气体单位体积的质量); 密度(磁盘存储数据的可用空间)

复数:densities

CET4CET6考研TOEFLIELTSTEM4TEM8化学

Collins.1 / BNC.3745 / COCA.4513



牛津词典

noun

  1. 密集;稠密;密度;浓度
    the quality of being dense ; the degree to which sth is dense
    1. population density
      人口密度
    2. low density forest
      低密度森林
  2. 密度(固体、液体或气体单位体积的质量)
    the thickness of a solid, liquid or gas measured by its mass per unit of volume
    1. the density of a gas
      一种气体的密度
  3. 密度(磁盘存储数据的可用空间)
    the amount of space available on a disk for recording data
    1. a high/double density floppy
      高密度 / 双密度软盘

柯林斯词典

  1. N-VAR 密度;稠密;密集
    Density is the extent to which something is filled or covered with people or things.
    1. ...a law which restricts the density of housing...
      限制房屋密集程度的法规
    2. The region has a very high population density.
      该地区的人口密度很高。
    3. ...areas with high densities of immigrant populations.
      移民人口稠密的地区
  2. N-VAR (物质或物体的)密度
    In science, the density of a substance or object is the relation of its mass or weight to its volume.
    1. Jupiter's moon Io, whose density is 3.5 grams per cubic centimetre, is all rock.
      密度为每立方厘米 3.5 克的木星卫星木卫一上遍布岩石。

双语例句

  1. The region has a very high population density.
    该地区的人口密度很高。
  2. Astronomers know that Pluto and Triton have nearly the same size, mass, and density.
    天文学家知道冥王星与海卫一拥有几乎相同的体积、质量与密度。
  3. The compression and density make this a difficult book to read, but it richly rewards the effort.
    这本书内容丰富,思想深刻,很难读懂,但是非常值得一读。
  4. Mercury has a much greater density than water.
    水银的密度比水大得多。
  5. Australia has a very low population density.
    澳洲人口密度很低。
  6. The aircraft was flying above the density of the fog.
    飞机在浓雾上方飞行。
  7. The overvoltage varies inversely with the current density to some extent.
    超电压在某种程度上随电流密度成反比地变化。
  8. What is left after an explosion is a dwarf star of extraordinary density.
    爆炸后所留下的是一个密度巨大的矮星。
  9. Objective to assess the effects of salmon calcitonin on bone mineral density in osteoporosis patients with hip fracture.
    目的观察肌注鲑鱼降钙素对并骨质疏松症的髋部骨折患者骨密度的影响。
  10. This has to do with the density of data.
    这与数据的密度有关。
  11. To increase the rack density, IBM created a new modular water cooling and distribution system.
    为了提高机架密度,IBM开发了一种新的模块化水冷和分布系统。
  12. These attributes include the density of the object and the friction.
    这些属性包括物体的密度和摩擦力。
  13. It can reverse the tendency of the skin to wrinkle and decrease wrinkle volume and density.
    可以增进皮肤组织的坚实和弹性,逆转皮肤的皱纹,减少皱纹面积和皱纹密度。
  14. High density resistivity method is applied widely in the field of engineering, and the good effect is gained.
    高密度电阻率法在工程领域得到了广泛的应用,并取得了良好的效果。
  15. The treatment of precipitates and the calcination process could affect the particle size distribution and appearance density.
    对沉淀物的处理和烧结过程的控制将会影响到粒子的尺度分布和表观比重。
  16. Density estimation technique and hill-climbing strategy are used to define and extract image database clusters and categorization.
    然后采用密度估计技术和爬山策略,定义和提取图像数据库的聚类以及归类。
  17. In the higher-dimensional theory, however, the relation between curvature and density changes.
    但是在更高维度的理论中,曲率和密度的关系则改变了。
  18. The deformation dislocation density and martensite microstructure were also analysed by TEM.
    采用TEM对形变位错密度以及马氏体组织进行了分析。
  19. With a higher compression ratio, and allows for more power density.
    具有较高的压缩比和密度允许更多的权力。
  20. The structure and vibrational frequencies of Ractopamine molecule in the THz range were simulated by density functional theory.
    采用密度泛函理论对莱克多巴胺分子的结构和振动频率进行了模拟。
  21. Their antistatic performances were determined using methods of electrification voltage by friction and surface density of charge.
    采用摩擦起电电压法和电荷面密度法,对其进行了抗静电性能测试。
  22. Various additives are used to control density, setting time, strength and flow properties.
    可用不同的添加剂去控制水泥的密度、凝固时间、强度和流动性能。
  23. The effect of both laser power density and scanning speed on coating microstructure was remarkable.
    激光功率密度和扫描速度对涂覆层微观组织结构有显著影响。
  24. Only in this way can we calculate the enthalpy and fly ash density in the flue gas.
    否则,无法计算烟气焓和烟气中飞欢浓度。
  25. Reflectivity depends on the velocity and density of rocks.
    反射能力取决于岩面的速度和密度。
  26. Combining performance, density, and embedded RAM.
    结合性能,密度和嵌入式RAM。
  27. And the effect of the strip mesh density on the simulation result is also studied in this paper.
    另外对轧制仿真过程中网格密度对计算精度的影响也进行了计算和比较。
  28. Fitting the average energy density of Langmuir wave, the energy density function of Langmuir spectrum is obtained.
    通过对获得的朗缪尔波平均能量密度谱进行拟合,得到了朗缪尔波能量密度谱函数。

英英释义

noun

  1. the amount per unit size

      Synonym:    denseness

    1. the spatial property of being crowded together

        Synonym:    concentrationdensenesstightnesscompactness