然而，它们真实的振动本质并没有第三密度的振动特征，因此，当需要时它们能够物质化或者非物质化。
However, their true vibrational nature is without third-density vibrational characteristics and, therefore, they are able to materialize and dematerialize when necessary.
模型中考虑了人群密度对疏散能力的影响，改变以往把建筑出口疏散能力视为常数而带来的不能真实反应其疏散能力的状况。
The model considered the influence of the crowd density on the evacuation capability, and the capacity of the egress was taken as a variable rather than a constant as former.
实测硬质合金刀片的密度和硬度值是一种判断刀片成分真实含量和性能质量指标的有效方法之一。
The measurement of density and hardness of carbide tips is one of effective method to judge the real compositions of carbide tip and index of performance quality.
但在真实的海洋内部，密度成层现象有时非常复杂。
But in the real ocean, the density-stratified phenomena sometimes are very complicated.
通过对纱线的扫描获取，内存数据处理，再按织物密度所计算的纱线轴线定位的方法嵌入到织物中，实现了真实效果纱线在织物中的嵌入仿真；
Based on the scanned and processed yarn images, the fabric that uses real effect yarns is simulated through superposing the yarn axis with the position calculated by the fabric density.
但若假设的概率密度函数与真实概率密度函数差异较大，源信号将不能被正确分离。
If the assumed PDF is different from the true PDF considerably, the sources will not be separated correctly.
仿真实验结果表明，本文提出的两种移动节点定位算法同现有的MCL、MCB算法相比，在同等的信标节点密度、普通节点密度及节点速度情况下，具有较好的定位精度。
Simulation experiment result indicated that, under the condition of same bacon density, node density and node speed, RAMCL and MCAB have a better positioning precision than MCL, MCB.
接着对定向算法进行仿真实验，验证了各种算法，并采用概率密度统计的方法使定向结果更明显；
Then, by using probability density statistical method, the three algorithms are simulated and verified, and the problem that two results appear in DOA estimation is solved.
计算了二维股骨在外界静载荷工况下3000天的重建，结果与真实股骨截面密度分布非常相似；
In all, A 2-D femur model is calculated for bone remodeling of 3000 days, the results are creditable in good consistence with clinical obervations;
计算了二维股骨在外界静载荷工况下3000天的重建，结果与真实股骨截面密度分布非常相似；
In all, A 2-D femur model is calculated for bone remodeling of 3000 days, the results are creditable in good consistence with clinical obervations;
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