densities
n.
密集( density的名词复数 )；稠密；密度（固体、液体或气体单位体积的质量）；密度（磁盘存贮数据的可用空间）
双语释义
n.(名词)[U]密集,稠密 the quality of being dense
[C][U]密度 relation of mass to volume
英英释义
density
n.
the amount per unit size
同义词：denseness
the spatial property of being crowded together
同义词：concentrationdensenesstightnesscompactness
词组短语
high density高密度，密度高
current density电流密度；扩散（弥漫）流密度
low density低密度
power density功率密度；谱线密度；力密度
energy density能量密度
population density人口密度；种群密度
density function密度函数
probability density概率密度；几率密度
bulk density容积密度，体积密度；单位体积重量
relative density 相对密度（等于specific gravity）
density distribution密度分布
flux density通量密度；辐射流密度；流量密度
spectral density[电]谱线密度
probability density function机率密度函数；概率密度分布函数
charge density[化]电荷密度
power spectral density功率谱密度
high density polyethylene高密度聚乙烯
electron density电子密度；电子浓度
dry density[物]干密度；[物]干容重
linear density线密度
双语例句
用作名词(n.)
Mercury has a much greater density than water.
水银的密度比水大得多。
The density of population in this city is very high.
这个城市的人口密度非常高。
The driver had to stop because the density of the fog made it difficult to see.
由於浓雾使道路很难看清,司机不得不停车。
The next trail would require a slightly higher filling density acid.
在下一次试验时需要注入比重较高的酸。
The bicapillary pycnometer is a tool for accurate determination of density.
双毛细管比重瓶是一种用于精确测量液体密度的仪器。
权威例句
Mixture Densities, Maximum Likelihood and the EM AlgorithmMixture Densities, Maximum Likelihood and the EM Algorithm
Electron correlations at metallic densities - III ☆
NEST DENSITIES OF CAVITY-NESTING BIRDS IN RELATION TO POSTFIRE SALVAGE LOGGING AND TIME SINCE WILDFIRE
Sampling-Based Approaches to Calculating Marginal Densities
Bonded-atom fragments for describing molecular charge densities
Accurate Approximations for Posterior Moments and Marginal Densities
Laser Compression of Matter to Super-High Densities: Thermonuclear (CTR) Applications
Nonparametric Estimation of State‐Price Densities Implicit in Financial Asset Prices
Self-consistent molecular hartree—fock—slater calculations. IV. On electron densities, spectroscopic constants and proton affiniti...
1. Low average population densities are characteristics of most underdeveloped countries.
平均人口密度低是大多数不发达国家的特点。
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2. As densities increased, domestic architecture became larger, culminating in crowded pueblos.
随着密度的增加，住宅建筑变得更大，最终形成拥挤的村庄。
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3. The cultivation of crops has expanded into progressively drier regions as population densities have grown.
随着人口密度的增长，农作物的种植已经扩展到了越来越干旱的地区。
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4. Rock lobsters prey on sea urchins, and increased rock lobster densities coincided with significant decreases in urchins.
岩石龙虾以海胆为食，而岩石龙虾密度的增加正好与海胆数量的显著减少相吻合。
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5. After several generations of population growth, people packed the landscape in densities so high that communal pueblos may have been a necessary outcome.
经过几代人的人口增长，人们以如此高的密度挤满了这个地区，以至于公共聚居地的出现可能是一个必要的结果。
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6. By compiling a map of seismic velocities from thousands of earthquakes across the globe, they can also begin to map temperatures and densities throughout the mantle.
通过编制全球数千次地震的地震速度图，他们还可以开始绘制地幔的温度和密度图。
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7. The densities of the terrestrial planets average about 5 times the density of water, whereas the Jovian planets have densities that average only 1.5 times the density of water.
类地行星的密度的平均值大约是水的密度的五倍，而类木行星的密度平均值只有水的密度的1.5倍。
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8. Crown of thorns starfish normally live in high population densities.
刺冠海星通常生活在聚居的环境中。
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9. However, near hydrothermal vents, areas of the ocean where warm water emerges from subterranean sources, live remarkable densities of huge clams, blind crabs, and fish.
然而，在海底热液喷口附近，也就是温暖海水从地下涌出的地方，生活着大蛤、盲蟹和鱼类，数量非常庞大。
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10. If the two media have really different densities, like air and water, then most of the energy is going to be reflected back, very little of it will keep going and get transmitted into the new medium.
而如果这两种介质的密度相差较大，就像空气和水那样，那么大部分的能量将会折射回来，只有一小部分会继续传播进入到新的介质中。
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11. I have a question about densities.
我对密度有个问题要问。
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12. These are the probability densities, right?
这就是概率密度，对吗？
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13. Permits different harbor water densities.
港水密度不同的许可证。
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14. They both had bone densities of a 77-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。
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15. They have high body densities and can't help but sink.
它们的身体密度很高，没有办法不下沉。
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16. This is, however, true of this octave of densities .
然而，在这个八度音程宇宙中是真实的。
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17. Our Stipple params create varying densities of noise to simulate that look.
我们的画点画参数创造不同密度的噪音模拟的期待。
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18. The push pin color scheme shows population densities based on the color spectrum.
pushpin颜色方案基于色谱显示人口密度。
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19. With no natural enemies, their densities reached 10 to 100 times that of Argentina.
因为没有天敌，火蚁的种群密度达到阿根廷的十倍甚至百倍。
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20. The content of the survey involved the volume density, surface and length densities.
内容涉及到各种组织的体积分数、面积密度、长度密度等。
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21. In large parts of America, where population densities are lower, it would be much costlier.
而在美国，由于人口密度更低，投递费用还会更高。
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22. Many branches were closed, and by 2006 Sweden had one of the lowest branch densities in Europe.
许多分行关闭了。到2006年，瑞典成为欧洲分行密度最低的国家之一。
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23. Stars with similar masses might not be similar in size because they have different densities.
相似质量的恒星可能在大小上有所不同，因为它们有着不同的密度。
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24. Since density is mass divided by volume, the relative densities and relative sizes give the relative masses.
由于密度是质量除以体积，相对密度和相对大小给予相对群众。
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25. These major arms have the greatest densities of both young, bright stars and older, so-called red-giant stars.
这些主要臂上有最大密度的年幼明亮恒星和较老的红巨星。
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26. Oxygen densities in both buildings were about 21%, high enough for workers to enter the buildings, the firm said.
两座建筑的氧气密度都在大约21%，足够让工人进入建筑，这家公司如是说。
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27. However, at times of high vector densities the relative importance of mosquito-to-human transmission may increase.
不过，在媒蚊密度较高时，蚊虫向人传播病毒的相对重要性可能增加。
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28. And the electronics industry needs much greater data densities for tomorrow's iPods, smart phones, and other devices.
为了明天的新iPod、智能手机和其他电子产品，现代电子工业需要更大的存放密度和更长的存放时间。
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29. And the electronics industry needs much greater data densities for tomorrow's iPods, smart phones, and other devices.
为了明天的新iPod、智能手机和其他电子产品，现代电子工业需要更大的存放密度和更长的存放时间。
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densities
