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

• 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。
• 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。
• The aircraft was flying above the density of the fog.
  飞机在浓雾上方飞行。
• This has to do with the density of data.
  这与数据的密度有关。
• 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。
• 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。
• 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 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。
• 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。