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

• 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。
• Water, coal measures and salt have densities markedly different from other earth materials.
  水、煤和盐的密度与其它介质有很大的差别。
• In this definition, the contrast is given by the ratio of two light densities.
  对比度定义为两个光密度之比。
• On the other hand, X-rays do not distinguish well between tissues of similar densities.
  另一方面在密度相似的组织之间x射线不能很好地区分。
• 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。
• Finally, the positive column is reached where electrons and ions have equal densities.
  最后到达的区域是正柱区，这里，电子和离子具有相等的密度。
• 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。
• 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。
• Effects of Planting Patterns and Densities on Growth, Development and Yield of Salvia miltiorrhiza
  种植方式和密度对丹参生长发育及产量的影响
• 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。