在实验观测的基础上，利用数字图象相关程序对裂纹周围变形场进行了分析计算。
Based on the test results, the strain field around the sub-cracks was calculated using the digital image correlation method.
大量实验结果表明，两种算法都具有快速、简洁实用和跟图象背景的复杂程度相关性小的特点。
Large amounts of experimental results demonstrate that both algorithms have the properties of rapidity, simplicity, applicability and a small DE pendence with a complicated image background.
通过调整相关的实验参数设置，给出了在不同攻击强度下被攻击子网的通讯流量图。
The different network flow graphs are given according to different attack intensity by changing parameter settings in the paper.
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