After partition the pipe into calculation cells, the sound velocity, fuel density, fuel pressure and flowing velocity at every calculation crunode in different time are gained.
在对油管合理地划分计算单元后，可求解得到油管各个结点在不同时刻的燃油音速、密度、压力和流速等特征参数值。
The amyloplast usually possessed a larger, very low electron density starch grain which mainly was long shuttle and there were some higher electron density partition or wedge structure in it.
它的基质很少，多含有呈长梭形的、电子密度非常低的淀粉粒，并有一些电子密度较高的条带结构。
The single particle level densities, calculated with the local density approximation and Fermi gas model respectively, are used to obtain the partition functions.
利用费米气体模型和区域密度近似分别计算单粒子能级密度，通过单粒子能级密度求得中等质量碎片（IMF）的内部配分函数。
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