density 词态变化
复数: densities;
density 英文词源
- density (n.)
- c. 1600, from French densité (16c.), from Old French dempsité (13c.), from Latin densitas "thickness," from densus "thick, dense" (see dense).
density 英文释义
- 1. the amount per unit size
- 2. the spatial property of being crowded together
density 双语例句
- 1. the density of a gas
- 一种气体的密度
来自《权威词典》
- 2. 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.
来自《现代汉英综合大词典》
- 3. Mercury has a much greater density than water.
- 水银的密度比水大得多.
来自《现代汉英综合大词典》
- 4. This paper introduces a Pulse - Density - Modulated ( PDM ) load resonant induction heating power based on DSP.
- 介绍了基于数字信号处理器(DSP)设计的PDM ( Pulse 鄄 Density鄄Modulation ) 负载谐振式感应加热电源.
来自互联网
- 5. VEGF expression and microvessel density ( MVD ) in tumor tissue were measured by immunohistochemistry.
- 免疫组化检测瘤组织中VEGF蛋白表达及组织内的微血管密度 ( mi-crovessel density,MVD ) 改变.
来自互联网
density 实用场景例句
- 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
柯林斯高阶英语词典
- The region has a very high population density.
- 该地区的人口密度很高。
柯林斯高阶英语词典
- 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。
柯林斯高阶英语词典
- 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.
期刊摘选
- 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.
期刊摘选
- 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.
期刊摘选
- 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.
期刊摘选
- 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.
期刊摘选
- 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.
期刊摘选
- Enclosure Gel filled, ultrasonically welded, high density ABS housing.
- 附胶体填充, 超声焊接, 高密度ABS外壳.
期刊摘选
- 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.
期刊摘选
- 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.
期刊摘选
- 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.
期刊摘选
- 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》