查询词典 vector calculus

Introduced a new UAV ground station software based on the techonlogy of vector map and virtual instrument. It also can plan the UAV flight line and monitor flight status in the vector map.

介绍了一种新的基于矢量地图和虚拟仪表技术的无人机导航地面站软件，在此基础上实现了导航地面站航线规划和目标跟踪功能。

In terms of cost and reliability, the indirect vector control system , which estimates the position of the rotor flux vector from the machine parameters, is widely used.

出于成本和可靠性的考虑，间接矢量控制系统，即基于转子磁链位置估计的矢量控制系统在实际中得到了广泛的应用。

This paper introduced the basic principle of the magnetic flux vector control technique and the basic composition of it s circuit, mainly introducing the method and the control process in which magnetic flux vector control technique is used to improve the control property of big bridge crane , and to get good results.

介绍了磁通矢量控制技术的基本原理及其电路的基本组成。着重介绍了磁通矢量控制技术用于改善大型桥式吊车控制性能的方法和控制过程，以及该技术应用所取得的良好效果

Methods The BHD vector and the small interfer RNA targeting BHD was constructed and transfected into the cell line A549. The expression of BHD was examined by immunofluorescence. Transwell test was used to detect the invasion ability of A549 cells. Results After transfected BHD vector into A549 cells, immunofluorescence showed the expression of Folliculin located in cellular plasma.

制备BHD真核表达质粒，转染肺腺癌细胞，用免疫荧光法检测Folliculin蛋白在肺癌细胞中的表达位置；筛选sRNAi片段，选取有效抑制片段转入肺癌细胞，与转入BHD质粒的肺癌细胞对比，用Transwell实验了解BHD基因对肺癌细胞运动方面的影响。

In every case, then the vector force equals the product of the mass and vector acceleration.

因此在所有情况下，力矢量等于质量和加速度矢量的乘积。

In the research, we had contracted express vectors of the four genes, and the vector was transfected into K562 cell, then STI571 was united to each express vector differently.

通过构建这四种基因的真核表达载体，转染入K562细胞，并且将基因克隆治疗与STI571联合应用，了解其对于K562细胞增殖、细胞周期及凋亡的影响，对于慢粒的研究是一个创新性的尝试，对于指导慢粒的临床治疗具有深远的意义。

On the basis of vector shearing of four graphical primitives: line, polygon, surface and text, the author established a relatively perfect vector cut model for 3_D digi...

以线条、填充多边形、曲面和注释 4种图元的剪切为基础，建立了一个较为完善的盆地三维数字构造-地层体的矢量剪切模型，并且编制了相应的软件。

On the basis of vector shearing of four graphical primitives: line, polygon, surface and text, the author established a relatively perfect vector cut model for 3-D digital tectonic-stratigraphic basin, and, furthermore, wrote the corresponding software.

以线条、填充多边形、曲面和注释4种图元的剪切为基础，建立了一个较为完善的盆地三维数字构造-地层体的矢量剪切模型，并且编制了相应的软件。

After comparing Bayes,K neighbors,neural network and support vector machine these four typical text categorization devices,the author builds a text categorization system using support vector machine.

在比较了贝叶斯、K近邻、神经网络和支持向量机四种典型的文本分类器的基础上，采用支持向量机分类器搭建了一个文本分类试验系统。

The thermodynamic state vector, Sk, which comprises four vector components, i.e., the sequence number, the position and the local solute concentrations in both SCms and SCses, is introduced to describe the local thermodynamic path and the macroscopical thermodynamic path.

引入由溶质微元的序号集合、溶质微元的位置矢量、固定相溶质浓度矢量和流动相溶质浓度矢量组成的热力学状态矢量Sk，并用其来描述色谱过程的局域热力学路径和宏观热力学路径。

I hope that this success is just the first in a long series.

我希望这只是成功的开始。

Three dimensional stresses on the interface of tire and soil, tire deflection and soil sinkage are measured.

测试轮胎——沙土界面上的三向应力、轮胎变形和沙土沉陷；建立考虑剪切应力对沙土承载特性产生影响的车轮牵引性能预测模型；分析车轮作用下土壤的纵向稳定性。