查询词典 area vector

A clockwise rotation causes the critical mode to occur in the area of 550 rpm and the propulsion force against the direction of gravitation vector is created.

顺时针方向旋转的关键原因模式将发生在该地区的550转速和推进武力的方向引力矢量创建。

The fuzzy-optimized, multi-objective and multilevel comprehensive evaluation model for the comprehensive benefits of water resources in irrigation area was established on the premise of improving the weight vector decision method of different layers.

针对灌区水资源综合效益的评价问题，对于不同层次权向量的确定方法进行改进，构建了改进的多级多目标模糊优选评价模型。

Vector field decomposition is proposed in data visualization area recently.

向量场分解是数据可视化领域近几年刚提出的研究课题。

It realizes dynamic store and management of mining data and finishes inputting of mining data,3D visualization of mining area,establishing model of terrain surface,inquiring and analyzing spatial data,collection of DEM vector and image and so on.More convenience will be bring to mining manager.

系统实现了对矿业数据动态存储和管理，可完成矿业数据输入、矿区三维可视化、地形表面建模、矿区空间查询分析、DEM矢量影像数据集成等功能，必将给矿业管理工作者带来很大方便。

In this paper chip shapes were recognized by using of radbas neural network. We put forward area ratio feature, Euler number feature, etc. geometry feature of chip shape image and thing of those features as inputting vector of neural network. Adopt radbas neural network and training the network using RLS.

研究了径向基函数神经网络在硬质合金刀具切屑形态图像识别中的应用，提出了面积比、欧拉数、分散度等硬质合金刀具切屑形态图像的几何特征，以上述特征作为神经网络的输入矢量，利用径向基函数网络，采用了递推最小二乘法训练该网络。

By the method of daily objective analysis and EOF analysis, these reasons of sample leading to big forecasting error are analyzed, the characteristic vector field of maximum temperature、minimum temperature、foehn day and all the big forecasting error day is studied, the result is concluded that the major factor in Shijiazhuang area and its country is hardly same, the foehn effect is the important factor causing forecast error.

进而对温度预报误差较大的样本出现原因进行了逐日客观分析，并通过自然正交函数分解方法，对不同情形下石家庄及周边县站极端最高、最低气温EOF分解特征向量场的变化特征对比，推断出影响石家庄及周边县市气温预报偏差的主要因子大致相同，焚风是导致温度预报出现较大误差的重要原因。

Four different methods,including support vector machine,artificial neural network,multiple regression analysis and parameter product decision,were applied to the gassiness evaluation of forty gas-bearing layers in the tight sandstones of Tabamiao Area in Ordos Basin.

将支持向量机、人工神经网络、多元回归分析及参数乘积判别法4种算法分别应用于鄂尔多斯盆地塔巴庙地区40个致密砂岩储层的含气性评价，其预测结果与试气结果的平均相对误差绝对值分别为：0，4。

Successful tests and practical survey have been clone at abroad in order to obtain 3D gravity field information. However, we have some gaps in this area because of our late starting; therefore we must fasten the research on the airborne vector gravimetry system.

对于三维重力场信息的获取，国外已有成功的试验和实测，而我国起步较晚，在此领域还有一定差距，为此必须加紧对重力矢量测量技术的研究。

This paper simplifies the huge power system to be a linear circuitry by only the installation of Phasor Measurement Units on some buses to measure the voltage and current vector. Under Kirchhoff's law and Ohm's law, the conditions of inter-connected buses are calculated and further at the operation of whole system. Moreover, the understanding of electrical tide distribution is more understood and enable the power station workers monitor instantaneously and make comparison of operation frequencies at each area to monitor if the low frequency oscillations.

本论文系将庞大的电力系统想像成一个线性的电路系统，将某些汇流排装设同步相量量测单元，量测其电压、电流相量，藉由Kirchhoff's Law与Ohm's Law推算其相连接的汇流排的状态，进而了解整个系统运转时，电力潮流分布情形，提供电力公司人员作即时的监视，以及对各地区域的系统运转频率作同步比较，监视系统是否有低频振荡的情形产生。

Then the computation processes of the wedge sliding safety factor considering seismic influences in 3DEC are carried out, and two important steps in the compute process are given: the determination of the area of triangle, the volume of tetrahedron in 3D and the intersect line vector of two joint faces.

最后，分析考虑地震影响下楔体安全系数计算在3DEC中的实现过程，并且给出计算过程中的2个重要步骤，确定空间三角形的面积和四面体的体积以及确定两节理面的交线矢量。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。