1) density of pore and cave
孔洞密度
2) fracture-cave density
孔洞缝密度
3) void number density distribution
孔洞数密度分布
1.
The variation of void number density distribution,the relation between the variation and the stress history in damage evolution of spallation of ductile materials and the space distribution of void number were analyzed numerically and qualitatively.
用数值方法定性地分析了延性材料损伤过程中孔洞数密度分布的变化情况,及其与材料中应力变化过程之间的关系,以及孔洞数目在空间上的分布情况。
4) cavernous porosity
孔洞孔隙度
5) Density caviton
密度空洞
1.
In this paper, using the method of numerical simulation, the nonsteady, nonlinear interactions between moving body and plasma have been studied in detail,and the distributions of electric field and density caviton are obtained.
计算结果显示 ,在飞行器的尾区 ,飞行器上的天线系统可以作为调制不稳定性的激发源 ,激发出可探测的密度空洞和电磁孤波 。
6) Burrow density
洞穴密度
补充资料：非密度制约因素(见密度制约因素)
非密度制约因素(见密度制约因素)
l焦非密度制约因素见生态因素、密度制约后
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条