给出了序列的矩与投影度的概念和数学描述,并着重研究了其运算性质。
The concepts and mathematic descriptions of moment and projection for general discrete sequence are also proposed. Their operation rules are studied in details.
本文利用云南省三次地震的余震序列的观测结果讨论了折合能量-地震矩定标关系这一热点问题。
We collect observation reports of three earthquake sequences occurred in Yunnan Province and investigate the scaling law between reduced energy and seismic moment with these reports.
另外,蛋白质序列还可用其它特征提取方法提取的特征向量来表示,如氨基酸组成成分、加权自相关函数和矩描述子。
In addition, the protein can be represented as other feature vectors based on amino acid composition (AAC), weighted auto-correlation function and Moment descriptor methods.
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