查询词典 similarity principle

Two approaches to evaluating the performance of this similarity measure and the comparison with standard cosine vector similarity measure are also described.

进一步给出了对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。

MethodsChromatographic fingerprint of Amomum villosum,Amomum chinense and Alpinia zerumbet was determined by RP-HPLC and the gradient elution mode was applied in chromatographic separation,data were analyzed by Fingerprint Similarity Evalution Software to compare the similarity of samples.

目的建立砂仁及其混淆品的高效液相色谱指纹图谱鉴定方法方法采用RP-HPLC法，梯度洗脱，测定阳春砂、海南假砂仁及艳山姜的指纹图谱，并作相似度比较分析。

Concerning model experiment, the authors introduces the methods for the seeking of similarity criterion, the approximative modelling and the verification of model experiment, and practical similarity method is presented for the research of model experiment.

针对模型实验，较详细地介绍了寻求相似准则的方法、近似模化的具体方法和模型实验的验证方法，为今后从事模型实验研究工作提供了实用的相似方法。

Sequencing of this 4.3kb DNA fragment revealed that there is a β-glucosidase gene urnbgl3A with an ORF of 1956bp, encoding product shared 63% identity and 79% similarity with a beta-glucosidase (GenBank NO:AAX16378.1) of uncultured murine large bowel bacterium BAC 31B, and shared 50% identity and 67% similarity with a beta-glucosidase-related glycosidases (GenBank NO:ZP-00308419.1) of Cytophaga hutchinsonii.

测序结果表明在4.3kb的片段上有一个全长为1956bp的ORF，编码一个可能的β-葡萄糖苷酶基因umbgl3A，其编码产物与一个来源於小鼠大肠未培养细菌的β-葡萄糖苷酶(GenBank Acession NO：AAX16378.1)一致性为63%、相似性为79%；与哈氏噬纤维菌的β-葡萄糖苷酶(GenBank Acession NO：ZP-00308419)的一致性为50%、相似性为67%。

The nonlinearity, randomness, determinability, and similarity of hydrological phenomena were analyzed. The self-similarity and fractal characteristic of floods events for a certain duration (e. g. a season of a year) provide a theoretic basis for adoption of fractal theory.

分析水文现象的非线性、随机性和确定性、相似性，以一定尺度范围内洪水表现出的自相似性和分形特性，作为应用分形理论的论据。

Sequence similarity of gyrB sequence from twelve Gordonia type strains ranged from 79.3% to 97.2%, corresponding to 270-41 nucleotide differences while there was only 0.3-3.8% difference in 16S rRNA gene sequence similarity at the interspecies level.

本研究之结果将可利用gyrB基因作为Gordonia菌种快速鉴定之依据，若两菌株之16S rDNA序列相似度大於99.7%，gyrB基因相似度大於97.2%，则判定两菌株为相同菌种。

The analysis of the fungal community similarity between different ecosystem-types showed that farmland soil and shelter-belt soil had the highest similarity, indicating that the soil moniliaceous hyphomycetes in this two ecosystem-types had more common species.

对不同生态类型土壤中淡色丝孢菌的相似性分析发现，农田和防护林带生境的相似性系数最大，说明这两种生境具有较多的共同物种；湿地和城市花园生境的相似性系数最小。

The threshold determining device (10) determines a similarity of each data to others for each data, determines the threshold of the similarity satisfying a predetermined coincidence/incoincidence, for each data, determines an individual threshold distribution of the data for each threshold on each of the data, and determines the threshold common to the entire data, as overall data on the basis of the individual threshold distribution.

阈值确定设备针对每个数据确定每个数据相对于其它数据的相似性，针对每个数据确定满足预定假匹配率的相似性的阈值，针对每个数据的每个阈值确定数据的个体阈值分布，并且根据个体阈值分布将全部数据共用的阈值确定为整体数据。

The notion of weak fuzzy similarity relations,a generalization of fuzzy similarity relations,is used to represent indiscernibility of elements.

为此提出用模糊相似关系和弱模糊相似关系的概念来代替等价关系，同时引入了弱模糊相似关系的相似度概念和相似类概念，定义了基于弱模糊相似关系的广义粗糙集及标准的广义粗糙集上下近似；研究了两对上下近似算子的性质，讨论了3种粗糙隶属函数的性质并验证了它们的性质。

Then , after testing some senior 1 and senior 2 students from Nanjin Foreign School with FCI test tables,the dissertation concludes:﹡The differcences and similarity among the students'.﹡The presence of the preconcept in the students mind which affects the learning preconccept.﹡The latentness of the preconcept.﹡The similarity between the preconcept in the students'mind and the science history.﹡Preconcept and science concept coexist in students'mind.﹡The difficulty for the traditional teaching to change the preconcept.

然后，笔者用FCI测试量表对南京外国语学校的部分高一和高二学生进行了测试，通过访谈及对测试结果的分析，得出了如下结论：﹡学生的前概念具有个体性和一定的共性；﹡前概念广泛存在于学生头脑中，并严重影响物理概念的学习；﹡学生的前概念具有隐蔽性；﹡学生的前概念与科学发展史上的某些概念存在着相似性；﹡前概念与科学概念并存于学生的头脑中；﹡传统教学很难改变学生的前概念。

More direct, directer ; most direct, directest

径直的，笔直的

Do you know how to use a chain saw?

你知道如何使用链锯吗？