比较数

Multi-focus images are taken as experimental data, mean square error, difference coefficient, correlation coefficient are used to evaluate the results, and comparison with results based on wavelet transform is also carried out .

对多聚焦图像进行了实验，采用均方误差、偏差指数和相关系数对融合结果进行了客观评价，并与基于小波变换的融合进行了比较，实验结果表明该方法除分解2层时与小波性能相当，取其他分解层数时均获得更好的融合效果。

The complexity of connectivity search at the worst situation is O, N is the side length of image. The complexity of connectivity ergod is O, N_q is the number of sub-pattern instances.With the connectivity operation of sub-pattern instance, contour extraction, Euler number computing and connected component labeling of binary rectangle NAM image are researched.

以子模式实例的连通关系处理算法为基础，分别研究了基于矩形NAM图像的二值图像轮廓提取、欧拉数计算、连通区域标记等图像运算，给出了具体的算法和分析，并将其与流行的基于其它图像表示的同类相关运算进行了比较。

Lastly, microcosmic process of economy cannot be found out thoroughly with experimentalism methods of traditional economics based on observational data, thereby capabilities of explaining and forecasting reality with theories have been reduced.

经济学作为一门单独的科学自从出现以来，已走过了数百年的发展道路，逐步形成了以概念、假设、数据以及数学模型为基础的比较完整的理论体系，并在经济学研究中占据了主流地位。

During the period of the fertility alternation,Shuangdi Pei eS and Shuangdi S were treated for 6 d at 25℃,and the panicel exsertion,lengths of the uppermost internode,parenchyma cell number and average length of the uppermost in- ternode were studied.

以双低培eS为研究对象，以双低S为对照，于育性转换敏感期，在25℃人工气候条件下处理6d，比较研究了双低培eS和双低S不同发育时期的穗颈伸出度、穗颈节间长度及节间细胞数和细胞的平均长度。

The comparisons between nitrogen oxides predictions and measurements were made,and the influence of Reynolds number, scalar dissipation and flamelet time on the formation of nitrogen oxides was discussed.

将氮氧化物的计算结果和实验数据进行了比较，并探讨了Reynolds数、标量耗散和火焰面时间对氮氧化物排放的影响。

Experimental process: jing and 3- methyl -2- methyl ethyl ketonesynthesizes by the benzene zong; Again the glacial acetic acidcatalysis produces 2, 3, 3 - trimethyl - 3H - yinduo; Again has thealkylate response production yinduo iodide after the methyl iodide;The iodide takes off molecular HI under NaOH to become freejier thealkali; Adds 5 - nitryls salicylic aldehydes in the ethyl alcohol forthe solvent under if to respond finally produces 6 '- the nitryl yinduolin spiral benzene and pinan; Through the infrared spectrum andthe ultimate analysis irrevocably proved its structure, and studiedthe annulus with to open the annulus the light to send changes colorthe performance, explained in different solvent medium ultravioletabsorption spectrometry solvent effect, and the comparisondiscoloration the response speed number difference, finally mixed itadds to the methyl methacrylate, the peroxidation benzoin formyl in the plexiglass, tested 6 '- the nitryl yinduolin spiralbenzene and pinan in the glass fatigue resistance, thethermostability.

实验过程：由苯肼和3-甲基-2-丁酮合成腙；再冰醋酸催化生成2 ，3 ，3—三甲基—3H—吲哚；再经过碘甲烷发生烷基化反应生成吲哚碘化物；碘化物在NaOH下脱去一分子HI成为费歇尔碱；在乙醇为溶剂下加5－硝基水杨醛与其反应最后生成6'—硝基吲哚啉螺苯并吡喃；通过红外光谱和元素分析确证其结构，并研究了环体与开环体的光致变色性能，解释了在不同溶剂介质中紫外吸收光谱的溶剂效应，并比较褪色反应速率数的差异，最后将其掺加到甲基丙烯酸甲酯，过氧化二苯甲酰有机玻璃中，测试6'—硝基吲哚啉螺苯并吡喃在玻璃中的抗疲劳性、热稳定性。

This paper discusses the interface for message passing, puts forward several available methods to pass multidimensional sparse array between nodes, which are compared with each other by practice.

该文主要探讨了MPI中的消息传递调用接口，提出了几种有效的在结点间传递多维稀疏数组的方法，并通过实践加以比较。

In the third chapter,the Lévy-Feller advection-dispersion equation describing anomalous diffusion,with asymmetric fractional derivative,is considered.

更多程不同的是，在三维情形中，分数阶导数的复杂性使得在构造差分格式时所添加的摄动项也非常复杂，由此所构造差分格式的理论分析也变得比较复杂。

Normal test by frequence distribution was performed on ALT results, and results distinction between genders was examined by t test.

对ALT结果的频数分布进行正态性检验，性别间结果差异的比较采用t检验。

A comparison of the two displaying methods of cooling-load rate distribution, that is, time frequency chart and probability distribution curve, is made.

对时间频数图、概率分布图这两种负荷率分布的表示方法进行了比较。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。