常见的计算共被引系数矩阵的方法有Jaccard系数、Cosine系数等，但是Van Eck与Waltman 认为关联强度（association strength）指标比Jaccard和Cosine更适合用来进行聚类分布的分析[20]。
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互联电力系统规模不断扩大，电网关联强度不断提升，带来利益的同时，也带来复杂性。
The scale of interconnected power system is expanding, the gradual strengthening of ties in power grids has brought huge benefits, while also making complexity.
实验二的结果表明关键诱饵、弱关联词和无关词引发的错误记忆随着关联强度减弱而降低。
Experiment 2 shows that False memories caused by key words, weak words and unrelated words vary from intensification weakness.
种间关联度分析显示，树种呈正联结的共计36对，呈负联结的也有36对，有6对是关联强度低的种对。
The interspecific association analysis indicated that there were 36 pairs of positive associations and 36 pairs of negative associations and 6 pairs of infirm associations.
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