vector field中文是什么意思

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中文翻译
造句

矢场
向量场, 矢量场
向量字段

vector n. 1.【数学】向量，矢量，动径。 2.【航空】飞机航 ...
field n. 1.原野，旷野；(海、空、冰雪等的)茫茫一片。 2 ...
field vector 场矢量
vector flow of vector field 向量场的向量量
axialsymmetric vector field 轴对称向量场
central symmetric vector field 中心对称向量场
circularly polarized field vector 圆极化场矢量
circulation of the vector field 矢量场环路
circulation of vector field 向量场的循环
complex field vector 复数场矢量
conservative vector field 守恒向量场
continuous vector field 连续向量场
contravariant vector field 反变向量场
coupled field vector 耦合场矢量
cylindrical vector field 柱面向量场
divergence of a vector field 向量场的散度
divergence of vector field 向量场的散度
electric field vector 电场矢量(以牛顿/库伦或伏/米来表示); 电场向量
electric-field vector 电场向量
elliptically polarized field vector 椭圆极化场矢量
field of vector on a manifold 流形上的向量场
harmonic vector field 调和向量场
head vector field 磁头向量磁场
holomorphic vector field 全纯向量场
horizontally polarized field vector 水平极化场矢量

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例句与用法

The modified zndx in comparison with others is well indicative of the severity and extent of flood / drought event and of more objective classification of them , which is therefore quite applicable to a extended area . ( 3 ) the main anomaly structures of grades of drought / food in summer over northwest china present pluvial pattern and dry pattern in all the areas , and spatial changes are opposite pattern from the noth to the south and the west to the east . the first four rotated loading vector fields represent four principal precipitation anomaly areas : the weishui river basin , east of the qinghai - xizang plateau
但修订过的zndx指数根据气温、土壤湿度及前期气候湿润度等因子能够客观的反映出西北地区的旱涝特征。 ( 3 )西北地区季与年区域旱涝等级表明：西北地区的干旱雨涝有显著的阶段性和年际变化特征。 1980 ’ s到1990 ’ s中期，气候较湿润，土壤湿度增墒较明显； 1990 ’ s中期以后是40年干旱最异常的时段； 1960 ’ s旱涝交替发生，旱涝趋势接近常年； 1970 ’ s气候虽干旱，但没有1990 ’ s中后期显著。
We extend this result which is similar to ones of hirsch [ 1l ] and jiang [ 2 ] for 3 - dimensional cooperative system . furthermore , in the paper we discusse the cone of km , and obtain the similar result : theorem b : let f be a continuously differentiable cooperative vector field on d , suppose the following conditions hold : ( a ) d is pm - convex ; ( b ) every forward semi - orbit has compact closure in d ; ( c ) there is not more than one equilibrium p , then there is a unique equilibrium p and it is globally asymptotically stable
此外，本文还将在k _ m锥下讨论此问题，并得到平行的结果：定理b ：设f是d上一个连续可微的合作向量场，假设如下条件成立： ( a ) d是p _ m凸的； ( b ) d中的每一个正半轨道有紧闭包； ( c )至多有一个平衡点p ，则一定存在唯一的平衡点p ，并且是全局渐近稳定的。
The proposed algorithms have good performances . some improvement on the gvf snake algorithm is presented to solve the problem of gvf snake ' s inability to converge to the rough contour of the brain . a variable vector field is designed and the constraint parameters of the gvf field is made adaptable to the target object features
本文的研究工作主要包括以下几个方面：针对gvfsnake算法提取脑轮廓时不能很好的收敛于光滑性差的脑轮廓的问题，对gvfsnake算法进行了改进，构建了一动态变化矢量场，把gvf场的约束权值设为随目标特征自适应变化，从而提出了一种新的算法，称之为agvf ( adaptablegradientvectorflow ) snake 。
The visualization of vector fields has consistently been a challenging issue in the visualization field . it can directly display the motion of the vector field by graphics and image and availably penetrate the intrinsic essence and variational law of the vector field . the visualization of vector field has been widely applied in many fields as compute hydrodynamics , aviation kinetics , atmosphere physics , weather analysis and so on
矢量场可视化是科学计算可视化中最具挑战性的研究课题之一，它以直观的图形图像显示场的运动，透过抽象数据有效洞察其内涵本质和变化规律，广泛应用于计算流体力学、航空动力学、大气物理和气象分析等领域。
Language is the most important communication tool for human . in television vector field , language has always been a part of program . host for conversation program , as a medium between program and audiences , his humor , wisdom , eloquence and good words become the virtual factor
语言是人类最重要的交际工具，在电视这种传播媒介里，语言从来都是电视节目的组成部分，谈话类节目主持人做为沟通节目与观众的中介，语言诙谐风趣、机敏睿智，能言善辩、妙语连珠则成为至关重要的因素。
The paper consists of two parts . in the first part , the definitions of zq - equivariant vector fields and the method of detection functions are stated . in the second part , a concrete numerical example of z8 - equivariant perturbed planar hamiltonian system of of degree 7 is constructed , and for the unperturbed vector field having maximal number of centers , its global phase portraits are analyzed
本文由两部分组成，第一部分为综述，介绍了z _ q -等变向量场以及判定函数法；第二部分首先讨论了一类7次z _ 8 -等变的平面hamilton系统，研究了具有最大中心数时的hamilton系统可能存在的部分全局象图。
From ocm layer to 30cm layer , the first rotated loading vector field in every layer reflects the anomalous soil humidity pattern in huai river basin , we call the pattern structure as " huai river pattern " . while from 30cm layer to 50cm layer , the second rotated loading vector field in every layer is also quite similar to " huai river pattern " . in the summer and autumn the " huai river pattern " is still remarkable but the feature is less prominent than that in the springtime
发现春季以30cm为界， 30cm以上各层土壤湿度异常的第一旋转空间模态十分相似，其大值中心主要位于淮河流域，而30cm以下( 30 - 50cm )各层的第二旋转空间模态与之亦十分类似，因此称该模态为“淮河型” ，而夏季和秋季虽然该模态也很显著但特征不如春季突出。
In the fourth part , by using the bifurcation theory of planar dynamical systems and the method of detection functions , the paper gives a configuration of limit cycles forming compound eyes . with the help of numerical analysis ( usi ng maple ) , it is shown that there exist parameter groups such that a z7 - equivariant planar polynomial vector field of degree 7 has at least 36 limit cycles with z7 - symmetry
然后，对于一组特定的参数值，研究了它的相轨线的变化趋势；第四部分指出：在一定的条件下，利用平面动力系统分支理论以及判定函数法，在计算机数学软件( maple )的帮助下，得到结论： 7次z _ 7 -等变平面向量场至少有36个极限环，形成具有z _ 7 ?对称性的极限环分布。
The drag reduction of riblet biomimetic non - smooth surface is given out by numerical simulation with cfx . through analysis of velocity vector field and velocity fluctuation this article probe into drag reduction mechanism of unsmooth surface . through analysis of behavior of single microbubble and turbulent kinetic energy this article indicate drag reduction mechanism of microbuble
对仿生非光滑表面减阻机理,采用流体力学分析软件cfx进行了数值模拟,通过对速度场、剪切应力、涡量的计算结果进行分析,得出了仿生非光滑表面减阻几种主要原因。
Sts produces substantially better visual results . sts is faster than lic ( linear integral convolution ) texture - based method . 2 ) in order to overcome the lic ' s shortcoming that only presents direction of the vector field , multi - granularity lic and image blend technique which can present the magnitude and direction at one time are proposed
2 )提出了多粒度lic纹理和图象混合技术，它们能很好地同时表示矢量的大小和方向，从而克服了lic纹理方法只能表示矢量方向而不能表示矢量大小的缺点。

更多例句： 1 2 3 4 5

百科解释

In vector calculus, a vector field is an assignment of a vector to each point in a subset of Euclidean space. A vector field in the plane, for instance, can be visualized as a collection of arrows with a given magnitude and direction each attached to a point in the plane.

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