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

• 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
• 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
• 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

• N-VAR 密度;稠密;密集
  Densityis 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
• N-VAR （物质或物体的）密度
  In science, thedensityof 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。

英英释义

noun

• the amount per unit size
  Synonym:denseness
• the spatial property of being crowded together
  Synonym:concentrationdensenesstightnesscompactness

双语例句

• 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。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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。
• This has to do with the density of data.
  这与数据的密度有关。
• 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。