By examining the relationship of the entropy of the degree distribution, scaling exponent and the minimal connectivity, we get the optimal design of scale-free network to random failures.
通过检验网络的度分布的熵、幂指数和顶点的最小度之间的关系，获得了无尺度网络对于随机错误的最优设计。
The stress concentration is a key factor causing fatigue failures. It is very important to make a quantitative research on the stress level and distribution characteristics of BHA.
应力集中是钻具疲劳破坏的一个关键因素，定量计算钻具在井下所承受的应力水平及其分布规律显得尤为重要。
The stress concentration is a key factor causing fatigue failures. It is very important to make a quantitative research on the stress level and distribution characteristics of BHA.
应力集中是钻具疲劳破坏的一个关键因素，定量计算钻具在井下所承受的应力水平及其分布规律显得尤为重要。
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