基本释义
- n.
- 密度，密集; 浓度
词性变化
- 复数:densities;
实用例句
population density
人口密度
牛津词典
low density forest
低密度森林
牛津词典
the density of a gas
一种气体的密度
牛津词典
a high/double density floppy
高密度 / 双密度软盘
牛津词典
...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。
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。
The effect of baffle density on the collector efficiency has been also presented and discussed.
本研究亦探讨档板密度对收集器效率之影响.
期刊摘选
Hole Density: The number of holes per unit area on a PCB.
孔密度: PCB上单位面积上的孔数.
期刊摘选
The battery's high energy density means it is small enough to fit in the engine compartment.
该电池的高能量密度意味着它的体积足够小,以适应发动机.
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Bombardments of such density will destroy any defensive works built by the enemy.
这样大密度的轰炸会摧毁敌人的所有防御工事.
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A relationship between benzene conversion or products selectivity or energy efficiency and energy density was studied.
考察了苯的转化率、产物选择性、能量效率随能量密度的变化关系.
期刊摘选
With increasing solid loading , density of AGC green body increases gradually, but strength decreases gradually.
随固相体积分数的增加,水基凝胶注模法坯体密度逐渐增加, 但强度逐渐降低.
期刊摘选
The population density is evened out.
种群密度亦趋于均匀化.
辞典例句
Properties: Easy manipulation, large output, high density, and perfect pellets, without bubble.
特点: 操作简单产量大 、 密度高 、 无气泡、粒子完美.
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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.
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Mixed LDPE Scrap ( loose ) shall consist of assorted Low Density Polyethylene ( LDPE ) scrap.
混杂的LDPE小块 ( 散装 ) 将包括被分类的低密度聚乙烯 ( LDPE )小块.
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The PR density was higher in the downstream and biomass was higher in the upstream.
而捕食者在整个流域内的密度上游小于下游,生物量却是上游大于下游.
期刊摘选
Controlling livestock grazing density and implementing environmental restoration are important measures for soil andconservation in Iceland.
控制放牧密度和开展环境修复是冰岛最主要的水土保持措施.
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Enclosure Gel filled, ultrasonically welded, high density ABS housing.
附胶体填充, 超声焊接, 高密度ABS外壳.
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They found volatilization of dieldrin tended to decrease as bulk density increased.
他们发现狄氏剂的挥发常随紧实度的增加而减低.
辞典例句
The wetwood proportion ranged from negative relationship with the planting density.
湿心材比例为60%~68%,且随着栽植密度的减小而增大.
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Track density can be greatly enhanced by employing optical servo technology in a disk drive.
在磁盘驱动器中借助光伺服技术可以大幅度提高道密度.
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The results showed that coir can significantly promoted shoot growth and increase turf density.
结果显示:细椰纤处理可促进草坪地上部生长及增加密度.
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The fading measurements were made at an original dye density of about 1.2.
色牢度的测定是以原来染料密度在1.2以上为基准.
辞典例句
Tamoxifen improves bone density in postmenopausal women, and there is some evidence of fracture reduction.
三苯氧胺改善绝经后妇女的骨密度, 并可减少骨折的发生.
期刊摘选
The methods for macular pigment optical density ( MPOD ) measurement in recent years were summarized.
总结近年来 黄斑 色素密度的测量方法.
期刊摘选
The population density of that country is 685 per square mile.
那个国家的人口密度为每平方英里685人.
《现代汉英综合大词典》
Mercury has a much greater density than water.
水银的密度比水大得多.
《现代汉英综合大词典》
the density of a gas
一种气体的密度
《牛津高阶英汉双解词典》
真题例句
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Among them: Density restrictions: licenses to sell alcohol aren't handed out unplanned to all comers but are allotted（分配）based on the number of places in an area that already sell alcohol
出自-2013年6月阅读原文For example, one of the most popular data sets on multidisciplinary repository Dryad is about wood density around the world; it has been downloaded 5,700 times.
出自-2017年6月阅读原文So what factors, at the community level, do predict if poor children will move up the economic ladder as adults? What explains, for instance, why the Salt Lake City metro area is one of the 100 largest metropolitan areas most likely to lift the fortunes of the poor and the Atlanta metro area is one of the least likely?Harvard economist Raj Chetty has pointed to economic and racial segregation, community density, the size of a community's middle class, the quality of schools, community religiosity, and family structure, which he calls the single strongest correlate of upward mobility.
出自-2015年12月阅读原文Community density.
出自-2015年12月阅读原文For example, one of the most popular data sets on multidisciplinary repository Dryad is about wood density around the world; It has been downloaded 5,700 times.
2017年6月六级真题（第一套）阅读 Section CHarvard economist Raj Chetty has pointed to economic and racial segregation, community density, the size of a community's middle class, the quality of schools, community religiosity, and family structure, which he calls the "single strongest correlate of
2015年12月六级真题（第三套）阅读 Section CIt is nearly identical to our own planet in bulk properties, such as mass, density and size.
2019年6月六级真题（第二套）听力 Section CMeasurements of density and composition implied that Venus originally formed out of basically the same stuff as Earth.
2019年6月六级真题（第二套）听力 Section CThe resulting settlement maps show how the distribution and density of the rural population around the city changed dramatically between AD500 and 850, when Copán collapsed.
出自-2014年考研阅读原文英英释义
1. the amount per unit size
2. the spatial property of being crowded together