Very high densities, close to that of an atomic nucleus.
它的密度非常高，接近于一个原子核。
Most metals have relatively high densities, especially compared to polymers.
大多数金属密度相对较高，尤其是和聚合物相比较而言。
Materials with high densities often contain atoms with high atomic Numbers, such as gold or lead.
高密度材料通常由较大原子序数原子构成，例如金和铅。
Materials with high densities often contain atoms with high atomic Numbers, such as gold or lead.
高密度材料通常由较大原子序数原子构成，例如金或铅。
Materialss with high densities often contain atoms with high atomic Numbers, such as gold or lead.
高密度材料通常由较大原子序数原子构成，例如金和铅。
Many metals and alloys have high densities and are used in applications which require a high mass-to-volume ratio.
许多金属和合金具有高密度，因此被用在需要较高质量体积比的场合。
Track breakage is a common issue in a multiple ballistic target tracking scenario with high speeds, high densities and large measurement errors.
多弹道目标跟踪伴随着速度快、密集程度高以及测量误差大等因素，在跟踪过程中发生航迹中断是一个很普遍的现象。
Why are metals and alloys used? Many metals and alloys have high densities and are used in applications which require a high mass-to-volume ratio.
为什么要使用金属和合金？许多金属和合金具有高密度，因此被用在需要较高质量体积比的场合。
Plants, especially in population of two years, have bigger bodies in low and middle densities than that in high densities in field. It's the effect of density dependence.
人工种群植株不同密度间个体生长差异显著，尤其是人工二年生种群植株中、低密度区比高密度区个体生长得较大，体现了密度制约的效应。
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。
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。
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。
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。
Countries with relatively high population densities move to more spacious environments. This increases their visibility.
人口密度相对较高的国家换到了比较辽阔的地方，这样增加了这些国家在世界地图上的可见度。
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。
As the densities go up, the distance to the closest females is shortened, so you don't have to have a song of high amplitude.
当蓝鲸分布密度上升，他们距离附近的母鲸的距离缩短，就无需高歌了。
Batteries with ceramic paper electrodes could therefore be charged quickly, but also discharged quickly to allow for high current densities.
使用陶瓷纸作电极的电池也因此能够快速充电，但在高电流密度时同样会快速放电。
High energy densities cause significant surface decomposition and damage.
高能量密度可引起明显的分解和损伤。
The temperature of dust grains, low temperature and high temperature ions and the number densities of the ions influence the property of dust acoustic waves.
热尘埃等离子体中的非线性尘埃声孤波在高阶横向扰动下是稳定的，且尘埃颗粒的温度、低温离子和高温离子的温度和数密度影响尘埃声波的性质。
A process for continuous copper plating on steel wire at high current densities was described in detail.
介绍了高电流密度连续生产钢芯镀铜线工艺。
A test case validates that the improved gas-kinetic traffic model is more effective on suppressing the perturbation, and more stable at high vehicle densities.
通过算例证明改进后的气体分子动力学交通流模型对于抑制高密度车流状况下的扰动更为有效，具有更强的稳定性。
Vapor pressures, saturated vapor and liquid densities for above fluids were measured at high temperatures.
同时测定了上述流体在高温下的蒸汽压和饱和汽液相密度。
The high-speed circuit designers focus more and more on the signal integrity because of the more complicated systems, higher rout densities and higher data throughout etc.
系统越来越复杂，布线密度越来越大，数据传送速率越来越高速，这些都使得高速电路设计中的信号完整性问题逐渐成为设计者关注的焦点。
Deep penetration laser welding is associated with violent plasma generation characterized by high charge densities.
激光深熔焊接时伴随着高电量等离子体的产生。
In full flourish of calefaction, the highest temperature appears mostly around the areas where the densities of river net are high.
珠三角地区沿河道区域的增温幅度最高最快，增温盛期的地表最高温度主要分布在河网密集地区；
The results show that the new material possesses higher specific capacitance and performs much better than activated carbon under high current densities.
结果表明，新材料的比容量和大电流充放电性能均优于碳材料。
The results show that the new material possesses higher specific capacitance and performs much better than activated carbon under high current densities.
结果表明，新材料的比容量和大电流充放电性能均优于碳材料。
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