OK, so, we've seen that if we have a vector field defined in a simply connected region, and its curl is zero, then it's a gradient field, and the line integral is path independent.
一个向量场,如果定义在单连通区域并且旋度为零，那么它就是一个梯度场，并且其上的线积分与路径无关。
For the exist of moisture content gradient and thermal gradient, the thickness swelling is larger than the line swelling and so the thickness swelling is the emphasis of study.
由于含水率梯度和温度梯度的存在，使得厚度膨胀远远高于线膨胀，因此厚度膨胀历来是尺寸稳定性的研究重点。
The selection of moving phase, gradient eluting procedure and line relation of sampling concentration with peak height were discussed.
研究了流动相的选择，梯度淋洗程序的最佳化以及进样浓度与峰高的线性关系。
First, a study of a sliding mode controller under on off training is made and then the on line learning algorithm using a gradient decent method is designed.
首先研究了离线训练的滑模控制器，然后，给出了利用梯度下降法的在线训练方法。
The effect of practice showed that the seepage prevention wall is beneficial to reducing the seepage water head, decreasing the seepage line inside dike and escape gradient.
实际应用显示钢板桩的实施有利于减小渗流水头、降低堤身浸润线和出逸比降。
This paper introduces a curvilinear line searching technique, which possesses all the meris of the gradient method, the conjugate gradient method and some of their refined types.
本文介绍一种沿曲线方向线性搜索的算法，这种算法概括了梯度法、共轭梯度法以及它们的改进格式。
The 7s and 11s globulin content of 5 soybean varieties grown in 11 locations of Heilongjiang province, Jilin province and Liaoning province were analysed with the line gradient SDS-PAGE.
利用线性梯度SDS - PAGE方法分析东北地区(黑龙江省、吉林省和辽宁省)11个地点的5个大豆品种的7s和11s球蛋白含量。
The paper presents a nonlinear conjugate gradient method for unconstrained optimization problem, and proves its global convergence under exact line searches.
该文提出一种无约束优化非线性共轭梯度法，证明了精确线性搜索下的全局收敛性。
Shows how to fill a line, an ellipse, and a rectangle with a horizontal linear gradient brush.
显示如何使用水平线性渐变画笔填充线条、椭圆和矩形。
This paper presents a wide line search and gives a new conjugate gradient method, with global convergence.
本文对该算法中的线搜索进行了推广，提出了一种新的非线性共轭梯度算法并证明了其全局收敛性。
Stress gradient decreased as the via diameter, the dielectric constant of ILD or the residual length decreasing, and increased as the line width increasing.
应力梯度随通孔直径、层间介质材料介电常数和铜线余量长度的减小而下降，随线宽减小而上升。
RRI's product line includes high performance gradient and shim coils, high stability shim power supplies, gradient amplifiers, magnetic field management and consulting on magnetics.
RRI的产品线包括高性能梯度和填充线圈，高稳定性电源，梯度放大器，磁场管理和电磁学咨询。
The hydraulic properties and the course of sediment movement in settling basins of straight-line type with positive or reverse gradient slope are deseribed.
本文从理论上分析了平流直线型顺坡及逆坡沉沙池的水流特性及泥沙运动过程。
The following example fills a line, an ellipse, and a rectangle with a horizontal linear gradient brush.
下列范例会使用水平线形渐层笔刷来填满直线、椭圆形和矩形。
It is applied for the special line with steep gradient and small radius of curvature. This tourist car which runs with light load and low speed has high safe ty performance.
这是一种用于旅游胜地的新型环保车，适用于大坡道、小曲率半径的特殊线路，轻载低速，安全性能高。
A line (with pen width 10) and an ellipse are filled with the linear gradient brush.
直线(画笔宽度为10)和矩形会使用线形渐层笔刷填满。
Line Integrals, Potentials, Curl and Gradient in 3d (Omit: Electricity and magnetism).
三维空间的线积分，位势，旋度和梯度(省略：电磁场)。
Line Integrals, Potentials, Curl and Gradient in 3d (Omit: Electricity and magnetism).
三维空间的线积分，位势，旋度和梯度(省略：电磁场)。
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