The image from asphalt concrete cutting surface has three aspects of features, which include shape properties, structure characteristics and holes distribution.
沥青混合料切面的图像可以提取出形状系数、结构特征与孔洞分布三个方面的图像特征。
2
Aiming at the randomicity ofconcrete crack, the author adopt the randomicity finite element model and Monte-Carlomethod to simulate the randomicity of material character and crack distribution.
针对材料性能的随机性和裂缝分布的随机性，引入了随机性模型，采用蒙特卡罗法来模拟其随机性。
3
About the teeth number distributionof multistage gear transmission system, concrete analysis should be made according to concrete circumstance.