这个就是散度公式了，告诉大家一些相似的东西，仅仅是对被闭合曲面包围的空间区域来讲的。
This one here, the divergence theorem, tells you something similar but now for a region of space bounded by a closed surface.
方法将色谱指纹图谱看作多维空间内的向量，利用向量夹角余弦的基本公式计算两个指纹图谱间的相似度；
METHODS Chromatogram can be treated as vector of hyperspace, and the similarity between them can be counted according to vectorial angle formula.
将HPLC指纹图谱看作多维空间内的向量，利用向量夹角余弦的基本公式计算两个指纹图谱间的相似度。
HPLC curves was treated as vector of hyperspace, the similarity between them was calculated by using the cosine value of the Angle between them.
它以距离概念为基础，通过对贡献度的分析，检验相似系数或距离公式的选取是否恰当，分类数的选取是否为优。
By analyzing the degree of contribution, we can find whether the selection of Similarity Coefficient or Distance formula is suitable and whether the number of partition is optimal.
然后在该类别里用模糊贴近度公式选出与待报台风最相似的历史样本。
Then the history Typhoon which is the most similar to forecasting Typhoon can be selected by calculating fuzzy approximation finally.
给出了两公式间的DL3 -相似度与伪距离的概念，并建立了DL3 -逻辑度量空间，证明了此空间没有孤立点。
The conceptions of DL3-similarity degree and pseudo-metric on two formulas are given. DL3-logic metric space is built. And it is proved that this space has no isolated point.
针对当前常用的评价水印相似度的公式存在较大的缺陷——相似度为1时水印信息不唯一。
There is one fatal weakness for evaluating the similarity of digital watermarks by currently familiar formula. The shortage is that the watermark is not unique when the similarity degree is 1.
本文从命题逻辑公式的相似度入手，研究命题逻辑公式集上的伪距离和近似推理。
This dissertation begins with the research of similarity degree, then pseudo-metric and approximate reasoning in propositional logic system are studied.
本文从命题逻辑公式的相似度入手，研究命题逻辑公式集上的伪距离和近似推理。
This dissertation begins with the research of similarity degree, then pseudo-metric and approximate reasoning in propositional logic system are studied.
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