method of detection造句
例句与造句
- In the first part , hilbert ' s 16th problem and the studies on it are introduced , and the results of zq - equivariant vector fields of degree 5 ( q = 2 , 3 , 5 , 6 ) are given . in the second part , the definitions of zq - equivariant vector fields and the method of detection functions are stated , and all the forms of nontrivial zq - equivariant planar polynomial vector fields of degree 7 are obtained . in the third part , a concrete numerical example of zt - equivariant perturbed planar hamiltonian system of degree 7 is constructed , and for the unperturbed vector field having maximal number of centers , its global phase portraits are analyzed ( having at least 9 topologically different phase portraits ) . then , for a given parameter group , its phase portrait trend is studied
第一部分介绍了hilbert第16问题以及它的研究与发展现状，给出了近年来利用李继彬提出的判定函数法得出的z _ q -等变( g = 2 ， 3 ， 5 ， 6 )的5次系统关于它的第二部分的研究结果；第二部分介绍了z _ q -等变向量场以及判定函数法，给出了7次平面多项式系统的所有非平凡z _ q -等变向量场具有的形式；第三部分给出了一个7次平面扰动hamilton系统，研究了它的具有最大中心数的未扰动系统( z _ 7 -等变)的全局象图，得到了9种不同的拓扑图形。 - By using the bifurcation theory of planar dynamical systems and the method of detection functions , this paper gives a configuration of limit cycles forming compound eyes . with the help of numerical analysis ( using maple ) , it is shown that there exist parameter groups such that a polynomial vector field of degree 7 has at least 49 limit cycles with z8 - symmetry
然后，利用平面动力系统的分支理论以及判定函数法，考虑z _ 8 -等变的扰动hamilton向量场，在计算机数学软件( maple )的帮助下，我们得到结论： 8次平面向量场至少有49个极限环，形成具有z _ 8 -对称性的极限环分布。 - Methods and results we observed the characteristics and its structure of flos carthami and adulterate flos carthami , calcium salt and sulphate which were checked out in adulterate fins cartharni ' s physical and chemical nature , and 3 different colors of flecks which were checked out in tlc of adulterate flos carthami , by some methods of detection such as identification experiences microstructure , physical and chemical nature , tlc , ash content , absorbency and impurity
方法与结果通过经验鉴别、显微组织、理化反应、薄层色谱、灰分、吸光度及杂质等检测方法，观察了红花与掺伪红花的性状和组织特征，理化反应中掺伪红花检出钙盐和硫酸盐，薄层色谱中掺伪红花检出三个不同颜色的斑点。 - By dividing fabric image into many windows with the same size , choosing a window with minimum local entropy as a region of interest , thresholding the region and filtering out noise through opening function of mathematical morphology , calculating the defect shape factors as recognition parameters , a algorithm and method of detection of defects in fabric is studied : which has advantages of high identification , correctness , and fast inspection speed mainly because it can avoid complicated calculation of whole image and global searching when the feature parameters are extracted
摘要将织物图像分成大小相同的局部窗口，选取局部熵最小的窗口为待研究的感兴趣区域，在此区域内分割出疵点图像并用数学形态学中的开运算滤除噪声，计算疵点形状因子等作为识别参数，研究表明此方法因能避免对整幅图像进行复杂运算，在提取特徵参数时对图像的全局搜索，具有识别正确率高、检测速度快等优点。 - It's difficult to find method of detection in a sentence. 用method of detection造句挺难的
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