There were some stripe-like hemorrhagic high density within perirenal fat in 6 cases;

肾周脂肪内出现条纹状出血影6例；

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On the basis of the previous work, the authors make an estimation about power density within the beam covered area.

推导了无线电波传输路径上各点经纬度及高度坐标等参数，并在此基础上进行了波束覆盖区功率密度的估算。

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Then, by means of the energy balance relation, a new cohesive stress law of Mode I crack is obtained which is only concerned with the surface energy density within the cohesive zone.

然后，利用能量平衡关系，得到仅与表面能密度相关的I型裂纹内聚力新的本构方程。

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Probability density of finding an electron within that molecule in some given volume.

在分子内某空间找到,一个电子的概率密度。

麻省理工公开课 - 化学原理课程节选

MalariaControl.net can handle a lot of different sorts of variable, from the changing density of parasites within a human host as an infection progresses to the sort of treatment available in different places around the continent.

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The density of water molecules within the leaf is typically 60 times greater than the density of carbon dioxide in the air, and the diffusion rate of the water molecule is greater than that of the carbon-dioxide molecule.

WSJ: Harrison H. Schmitt and William Happer: In Defense of Carbon Dioxide

The firm says the low power-density of its lasers and a series of safeguards ensures that human exposure remains within regulatory limits.

ECONOMIST: Wireless charging