densities

英 [ˈdɛnsɪtiz]

美 [ˈdɛnsətiz]

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)
density的复数

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。

双语例句

• On the basis of this result, the phonon structure is studied, along with calculation of the energy levels and state densities of phonons.
  以此为基础，研究了简立方纳米晶体颗粒的声子结构，计算了其声子能级和声子态密度。
• And the parameters of the geometry, atomic net charges, and the atomic frontier electron densities were obtained.
  得到了分子的几何构型和各原子上的电荷分布以及前沿分子轨道能级。
• Combination-A densitometer that measures both reflection and transmission densities.
  结合-密度计的措施都反射和透射密度。
• The relative densities of flavors were determined by pycnometer ( standard method) and densimeter.
  日前测定香精密度的方法主要有标准传统法（上标[1]）－比重瓶法和密度仪法。
• Following the American model of car dependence is simply not possible because of high densities and inadequate space.
  由于人口的高密度和空间的不足，照搬美国依赖汽车的模式显然是不可能的。
• At all carrier densities, the relation between emission intensity and difference of the quasi Fermi energies is maintained.
  在任何载流子密度条件下，辐射强度与准费米能级差的关系保持不变。
• Fracture densities also increase in dolomitic layers compared to limestones and anhydrates.
  与石灰岩层和脱水层比，在白云岩层的裂缝密度也有所增加。
• The current densities are approximately the same as for the cables, or slightly higher.
  电极电流的密度和电缆的密度几乎相同或稍微高一点。
• Costs and returns for orchards at the above densities were examined by the cash flow method of analysis.
  上述密植园的成本和收益是用现金周转分析方法决算出来的。
• They both had bone densities of a77-year-old woman.
  有一对23岁的双胞胎姐妹参加了我们的研究项目，她们的骨密度相当于一个77岁老妇的骨密度。