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

• 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。
• 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。
• 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。
• 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。
• Reflectivity depends on the velocity and density of rocks.
  反射能力取决于岩面的速度和密度。
• 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。
• 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。
• 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。
• 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。
• 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。