以下为句子列表：
英文: A high performance liquid chromatographic method was developed to establish the fingerprint of Liuwei Dihuang pill; and 16 samples from various manufacturers and various batches were analyzed; furthermore; similarity calculation software and principal com
中文: 采用高效液相色谱建立了六味地黄丸的指纹图谱;对两个厂家的16批产品进行了测定;并结合中药相似度软件和主成分分析法对全指纹图谱和其精细指纹图谱进行了模式识别研究。
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英文: A method independent of the orientation information is presented based on gray level similarity of a local area and its sub-samplings, computing the minimum size of the sampling with the grey level similarity, and eventually, the ridge frequency related t
中文: 摘要提出了一种独立于纹线方向信息的方法，根据指纹整体与局部在灰度的相似性，求出具有该相似性的最小局部的尺寸，从而得到相应的纹线密度。
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英文: A method that combines category-based and keyword-based concepts for a better information retrieval system is introduced.To improve document clustering,a document similarity measure based on cosine vector and keywords frequency in documents is proposed,bu
中文: 介绍了一种综合各层级分类类目和对应关键词来构造概念体系并用于改进信息检索系统效果的方法.为了改进文本聚类的效果,提出了将领域知识本体和文本关键词词频相结合的基于余弦向量的文本相似性测度方法.该本体面向特定领域,将关键词以不同权值对应于各分类类目,通过其语义知识来改进文本相似性测度以及信息检索系统的效果.进一步给出了对基于本体的相似性测度方法进行效果评价的2种策略以及该方法与经典余弦向量测度方法的比较结果.
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英文: A new fidelity measurement criterion has been presented, which is based on the similarity degree of grayscale histogram between the original image and compressed image.
中文: 本文提出了利用灰度直方图的相似度作为评价重建图像质量的准则。
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英文: A systematic comparison is made between the tourism scenery of Danxia landform and that of Karst land-form by introducing their similarity and diversity in development condition, spatial distribution, physical scenery, and human scenery.
中文: 摘要对丹霞地貌与岩溶地貌的旅游景观进行系统比较，揭示两者在发育条件及分布特点、自然及人文旅游景观方面的相似性与差异性。
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