在网络分析中,图的直径和平均距离是重要的示性数。
The paper calculates the average distance of some graphs, for example cycles trees, etc.
本文对一个矩阵的最小示性数进行了研究,并证明了一个矩阵的最小示性数等于其对应的非负矩阵的谱半径。
It is proved in this paper that the minimal characterizing number of a matrix is equal to the spectral radius of the corresponding non-negative matrix.
英国石油公司主管人员说,如果压力示数开始降低,他们会停止这一压力测试,以缩小对油井管道造成损伤的可能性。
If pressure readings begin to fall, BP officials say they would stop the pressure test to minimize possible damage to the well pipe.
英国石油公司主管人员说,如果压力示数开始降低,他们会停止这一压力测试,以缩小对油井管道造成损伤的可能性。
If pressure readings begin to fall, BP officials say they would stop the pressure test to minimize possible damage to the well pipe.
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