A lot of vector fields are not gradients.
很多向量场都不是梯度。
Now,the other kinds of vector fields we have seen physically are force fields.
我们从物理的角度,研究的另一类向量场是力场。
And just to tell you again that is a strange partial differential equation relating these two vector fields.
再说明一下，这是关于这两个向量场，多少有点奇怪的偏微分方程。
There are many vector fields in nature and they play important roles in science computing and engineering analysis.
矢量场广泛存在于自然界并在科学计算和工程分析中扮演着重要的角色。
I never said that the vector fields were rational functions.
我从没说过矢量场是有理函数。
The directional derivative according to the vector fields was introduced.
引入了相应于矢量场的方向导数。
The space distribution structure of the vector fields can be well expressed.
利用该方法成功地表现出了气象要素矢量场的空间分布结构。
A unified visualization method is presented for 3d scalar and vector fields.
本文给出一个三维标量场和向量场的视觉化方法。
The interface of core-annulus flow may be determined with the particle velocity vector fields.
采用速度矢量场的方法可以确定出环核结构分界。
This paper mainly describes a universal method for extracting surface from scalar and vector fields.
文章主要描述了一个从标量和矢量场进行表面抽取的通用方法。
Oceanic and atmospheric flows are typical time-dependent vector fields, which belong to nonlinear dynamical system.
大气和海洋中的流场是典型的时变向量场，属于非线性动力系统。
On the basis of the normal form theory of vector fields, an algorithm to calculate the nonlinear participation coefficient is presented.
在向量场正则形理论的指导下，提出了求解向量场非线性相关系数的算法。
The authors propose the theory of normal forms of vector fields to the auxiliary dynamic system. This methodology is tested on a 4-bus power system.
为此对电力系统的辅助动态系统采用向量场正规形方法，对一个简单4节点电力系统进行了分析。
In this paper we have discussed the situation of the variation of the singular closed trajectories with a parameter in plane rotating vector fields.
本文研究在平面旋转向量埸中，奇异闭轨线随参数变动的情况。
X band bistatic Doppler weather radar is a new kind of weather detection radar system. It can detect three dimensional wind vector fields from the echo of rain.
波段双基站多普勒天气雷达系统是一种新型气象探测雷达系统，主要用于测量降雨回波的三维风场。
The Visualizations section offers multimedia tools that demonstrate various physical phenomena, including Vector Fields, Electrostatics, Magnetostatics, Faraday's Law, and Light.
视觉化教材的部份提供了用来展示不同物理现象的多媒体工具，包括向量场、静电学、静磁学、法拉第定律和光。
The Visualizations section offers multimedia tools that demonstrate various physical phenomena, including Vector Fields, Electrostatics, Magnetostatics, Faraday's Law, and Light.
视觉化教材的部份提供了用来展示不同物理现象的多媒体工具，包括向量场、静电学、静磁学、法拉第定律和光。
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