查询词典 fractal

Both shorelines and mountain ranges are considered loosely fractal. These particular examples are beautiful.

不管是化学反应生成的水晶和冰晶，还是雾凇形成的水晶都是自然界里分形的代表。

The results indicate that time serials of the flood and drought area has fractal feature.

研究表明，洪旱灾害受灾面积的时序分布具有分形特征。

Burrough P A The Fractal dimensions of land scapes and other environmental data 10.1038/294240a0 Nature , 1981,null

鲁植雄 分形理论及其在农业土壤中的应用土壤学进展， 1994，5

In this Paper the joint profile expression and fractal theory are reviewed, and the fractaltheory is used to study the frictional angle of the rock joint.

本文首先简要介绍节理形貌的描述方法和分形几何理论，然后将分形理论引人岩体节理摩擦角的研究中，得出了用分形维数表示摩擦角的经验公式。

Based on the fractal tree, this paper proposes and implements the tree sway which is controlled by the use of simple process parameters.

本文在分形树生成方法的基础上，提出并实现了一种简易的利用过程参数的方式来控制树的摇曳。

This paper addresses deformation of tree swaying by presenting a new method which combines fractal with physical mechanics deformation.

针对树在风中的摇曳变形，提出了一种将分形技术和物理力学变形技术相结合的方法。

This paper proposed to use fractal interpolation to study the rule of the sandstones distribution. It provided more technical support from the brand-new angle for the oil and gas exploration and development.

本文提出了采用分形插值方法对砂体的展布规律进行研究，从全新的角度为油气勘探、开发提供更多的技术支持。

Moreover, the SALS images were digitally analyzed by means of Debye-Bueche and Mie scattering theory to obtain corresponding structure parameters describing the morphology, e.g., correlation distance ac, integral constant Q and fractal dimension Dc as well as the relationship between these parameters with blend composition, blending time and content of the compatibilizer.

根据Debye-Bueche和Mie散射理论，利用光散射处理软件对光散射在线采集数据进行了分析并得出表征合金体系相结构的参数：相关距离ac、积分不变量Q、分形维数Dc等并分析了各结构参数与体系组成、共混时间及相容剂含量的关系。

A character image restoration of Jiagu rubbings method based on adaptive threshold and fractal geometry is proposed in this paper.

提出了一种基于自适应阈值和分形几何的甲骨拓片字形图像复原方法。

Then, divided significant region into two groups:self-similarity and non-self-similarity blocks by fractal coding and pre-set threshold, picked up the robustest pseudo-Zernike moments among the pseudo-Zernike moments of the self-similarity blocks.Finally, embedded the watermark by quantizing the magnitudes of the robustest pseudo-Zernike moments.

算法首先利用归一化技术和不变质心理论在图像中提取出重要区域；然后利用分形编码及设置的阈值将重要区域分成自相似性块和非自相似性块并计算自相似性块的伪Zernike矩，从中选出最鲁棒的矩；最后通过量化调制伪Zernike矩幅值将水印嵌入其中。

Researches reveal that students who suffer from corporal punishment tend to resort to violence in their future life.

研究表明遭受过肉体惩罚的孩子倾向于在他们今后的人生中使用暴力。

Total sugar of sarcocarp and chlorophyll of pericarp increased firstly, and then decreased afterward along with altitude; Titratable acidity, ascorbicacid and anthocyanin of pericarp were increased along with altitude; The content of protein increased firstly and decreased afterward along with altitude; Carotenoid of pericarp were decreased along with altitude.

果肉总糖和果皮叶绿素含量随海拔高度升高先升高后降低；可滴定酸、维生素C和果皮花青苷含量均随海拔升高而升高；蛋白质在1720m处最大，1420m处最小；果皮类胡萝卜素随海拔升高而降低。