random material meaning in English

任意料
统装材料
未筛选的材料

Flexibility - based finite element analysis for beams with random material
材料随机梁的有限元分析
The influences of random material parameters and dimensional parameters on the performance of a micro - gyroscope were quantitatively described by a so - called impact factor based on the probability theory
通过所提出的影响因子这一概念反映了微陀螺参数变异对性能变异的敏感度。