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以上来源于: WordNet
When the particle density is big enough, it is no longer the fractal aggregation.
在粒子浓度较大时，一般聚集体呈密集结构，此时不具分形结构。
The influence of non-uniform flow and particle density distribution on the simulation results was discussed.
分析了流体的非稳态流动及颗粒的密度分布对模拟结果的影响。
The nonlinear space charge effect due to the nonuniform particle density distribution in bunched beam of a linac is discussed.
提出了在强流直线加速器中，由空间电荷束团的密度分布所引起的非线性效应。
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