查询词典 unique feature

Finally,the precisions and recalls of single feature,multi-feature integration and relevance feedback are calculated and compared.

最后分别给出基于单一特征，特征融合和相关反馈方法的查准率和查全率，并对实验结果进行分析。

For unexploded ordnances, the four dimensional unexploded ordnance scattering function of slant range, azimuth, frequency and aspect angle is firstly estimated via the SWD. Secondly, the amplitude information of the multi-aspect feature in different frequencies is extracted, and the spatial distribution information of multi-aspect feature in different frequencies is quantitative described using the Hu moment invariants further.

对于未爆物目标，首先利用SWD得到未爆物斜距-方位-频率-方位角四维散射函数估计，然后在提取了不同频率下的多方位特征幅度信息的基础上，利用Hu不变矩进一步定量描述未爆物不同频率下的多方位特征空间分布信息。

The part of feature retrieval proposed a three-layered framework for multi-feature video retrieval which was composed of presentation, logic and transaction layer.

SupEye系统在分析MPEG-7标准的基础上解决了视频特征与用户检索特征的分离、样例查询中的特征分析以及多模态查询的结果融合问题。

The simulation and test results show that the space-filling feature of Hilbert fractal structure antenna can be effectively transformed into the size-reducing feature, and that the RFID tag antenna with one-dimension Hilbert fractal structure is of higher efficiency.

仿真和实测结果表明，Hilbert分形结构天线的空间填充特性可有效转化为标签天线的尺寸缩减特性，而且一维Hilbert标签天线具有更高的天线效率。

The part process plan is made by the semi-intelligent method, which the feature reasoning, feature process chain searching and man-computer talking are used together.

在系统中运用特征推理、特征加工工艺链查询及人机对话相结合的半智能化方法确定零件加工工艺。

The vision system captures real-time images, makes camera calibrations with Zhang's method, preprocesses images, matches feature point, then gets the stereo coordinate of the feature point of the suspicious objects, programming with Matlab7.0 and the pattern matching library EasyMatch of machine vision software eVision, displays the real-time images on the console, finally, controls semi-intelligent explosive-handling robot to grasp the suspicious object automatically and accurately.

单手双目手眼系统是半智能排爆机器人的重要组成部分和关键技术，该视觉系统利用双目立体视觉原理，采用Matlab7.0作为运算引擎，调用机器视觉处理软件EVision6.2中的EasyMatch模式匹配库进行立体图像匹配，能实时捕获排爆机器人周围的图像信息、进行摄像机标定、图像预处理、立体图像匹配、确定机器人未端手爪与可疑目标物的相对位置坐标，并把图像实时显示在控制台，自动控制手臂靠近并准确地抓取可疑目标物。

Aiming at above problem, this paper analyzes the real distribution feature of interaction force between the pile and surrounding rock by using the FEM, especially for nonlinear distribution feature.

本论文将针对这一问题，提出采用有限元方法分析抗滑桩与围岩间作用力的实际分布特征，特别是其非线性特征。

In design of anti-sliding pile, the most foundation and most important problem is how to determine the distribution feature of the interaction force between anti-sliding pile and surrounding rock under pushing force of sliding body, that is the distribution feature of sliding pushing force and remnant resistant sliding force.

在抗滑桩设计中一个最基本、也是最重要的问题是确定抗滑桩在滑坡体推动下，桩身与周围岩土体之间作用力的分布特征，即滑动面以上滑坡推力与剩余抗滑力的分布特征。

Above all, the fact distribution feature, especial the nonlinear feature, between anti-sliding pile and surrounding rock is analyzed by FEM.

综上所述，论文提出采用有限元方法分析抗滑桩与围岩间作用力的实际分布特征，特别是其非线性特征。

According to the state natural science foundation item"the study on nonlinear distribution feature of interaction force between anti-sliding pile and surrounding rock", and as one part of the item, this paper studies the distribution feature of sliding pushing force and remnant resistant sliding force acting on anti-sliding pile.

结合国家自然科学基金项目&抗滑桩与围岩间相互作用力非线性分布特征研究&，本论文作为项目的一部分，主要对抗滑桩受到的滑坡推力和剩余抗滑力的分布特征进行分析研究。

A historical region of southwest France between the Pyrenees and the Garonne River. The duchy of Aquitaine was joined with France after the marriage of Eleanor of Aquitaine to King Louis VII in1137, but its possession was disputed after her subsequent marriage to Henry II of England.

阿基坦法国西南部一个历史地区，位于比利牛斯山和加隆河之间，在1137年阿基坦的埃莉诺与国王路易斯七世结婚之后阿基坦公国加入法国，但当她再嫁英国亨利二世后，其归属权便受到争议

There are moments when I look at the smiling , happy faces of my expectant staff and wonder how they will cope when confronted by an outraged housemaster along with an unrepentant and recalcitrant bleached blond teenager in 18 years ' time .

有时候，我看着那些满怀期待的员工微笑，幸福的脸，想着当他们遇到一位愤怒的宿舍管理员和一位不知悔改，叛逆，而且将头发染成白色的18岁少年时，他们会如何处理。