density是什么意思？

density

英[ˈdensəti] 美[ˈdɛnsɪti]

• n. 密度，稠密，浓厚，[物]浓度，比重，愚钝；

复数：densities;

例句

• very high density lipoprotein 极高密度脂蛋白
• high density lipoprotein 高密度脂蛋白
• Shallow cone crown profile pilot bit , reaming by reamerwing, heavy cutter density. 浅锥型冠部领眼, 侧翼扩眼,布齿密度加强.
• High packing density greatly impedes the cooling of the array. 高存贮密度很不利于阵列的散热.
• Once again, illustrators exposure sites in order to achieve the optical density at least version 4.00. 再不主, 不合色片曝平部位的平学密量起码给到达4.00.
• This region contains areas which are prinarily covered with either high density conifers or meadow hardwoods. 该地区,主要的植被覆盖是高度的针叶树类或草地阔叶树类.
• Diffusion probability density function in fractals is described by stable distribution. 物质在分形结构中的扩散密度分布函数属于稳定分布.
• Sometimes the density of crazes is sufficient to give the stressed plastic a milky appearance. 有时小裂纹密度很大,使受应力的塑料外观呈现乳白色.
• Density, scale , thickness are still influencing the anemones shape. 密度 、 大小 、 厚度是受最原始的那股海葵的影响.
• The labeled ApoE - containing lipoproteins were internalized by neurons that expressed low density lipoprotein ( LDL ) receptors. 只有表达出低密度脂蛋白 ( LDL ) 受体的神经元才能吸收含ApoE的脂蛋白.

同义词

• n.
  density的同义词之：愚钝
  thick-wittedness, crassness, obtuseness, dull-wittedness, thick-headedness, stolidness, dullness, stupidity, slow-wittedness, stolidity, bovinity, slowness,
  density的同义词之：稠密
  thickness, denseness, cohesiveness, solidness, mass,
• density的同义词之：其他释义
  condensation, measurement, compression, weight,

英语四级真题

So why not limit the density of food outlets, particularly ones that sell food rich in empty calories?
出自-2013年6月阅读原文
Why do policymakers of alcohol control place density restrictions
出自-2013年6月阅读原文
To effectively limit the density of alcohol outlets.
出自-2013年6月阅读原文

柯林斯高阶英汉双解学习词典释义

• N-VAR
  密度;稠密;密集
  Density is the extent to which something is filled or covered with people or things.
  例句
  ...a law which restricts the density of housing... 限制房屋密集程度的法规 The region has a very high population density. 该地区的人口密度很高。
• N-VAR
  （物质或物体的）密度
  In science, the density of a substance or object is the relation of its mass or weight to its volume.
  例句
  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。

英英词典释义

• Noun
  1. the amount per unit size
  2. the spatial property of being crowded together

行业词典

• 力学： 密度；
  动物学： 密度；
  医学： ［拉 densitas］密度；物质密度：特定空间中物质的量(质量与容积的比率)；电密度：在特定区域或特定容积或特定时间内的电量；暗度：显影及制成的胶卷或X线胶片的明暗度，以特定区域内胶片暗度的对数来表示；密度函数：见function项下；
  植物学： 密度；
  水利： 密度；单位体积土体的质量。；
  物理学： 密度曝光量曲线；density-exposure curve；
  生态学： 密度；单位面积或单位空间内的个体数。；
  电力： 密度；
  航天： 密度；