By use of principal directions and coordinates of center or apex of a quadric cure,a Descartes orthogonal coordinate transformation formula such as the reduced equation of the cure is expressed in terms of its invariants and semi invariants.
利用二次曲线的主方向、中心或顶点坐标 ,给出了使得曲线的简化方程由其不变量和半不变量表示的直角坐标变换公式 。
By giving any angle strain rosette readings, the principal strain and the principal direction are calculated.
在结构试验中采集到的成百上千个已知任意角度应变花的读数 ,可用本文编写的计算机程序确定其主应变、主应力及主方向 ,从而替代了科研人员大量的手工计算 ,既省时省力 ,又减少差错 。
The method of determining earthquake input principal direction are studied, which is used for seismic analysis of irregular bridges.
讨论了不规则桥梁地震反应分析中地震动输入主方向的问题 。
A Skew Remedy Algorithm based on Searching the Main Direction;
基于主方向检测的畸变车牌字符图像校正方法
The paper presents a simple rule of visual determining main direction's general position without calculating the value of main direction's angle.
给出了一种无须计算主方向角数值即可直观定性确定平面应力状态下主方向大致方位的简单规则,并从主点法角度出发对此规则作了证明,最后还对此规则的应用作了详细阐述。
The paper presents a smoothing algorithm based on the main direction combined with the mean curvature flow and the normal filter method.
该文给出了基于主方向的平滑算法,并结合平均曲率流算法和法向滤波算法进行了改进。
A novel gradient orientation histogram was built using a Gaussian-weighted circular window and a major orientation to each feature point was assigned based on local image properties.
构建了一种新的局部梯度方向直方图,同时定义了特征点的主方向,从而提出了一种具有旋转不变性的图像配准算法。
Development in coal processing technology and its main direction in Baogang;
包钢选煤技术的发展及今后的主攻方向
In order to meet the need of qunlity education and creation education,the main directions of exam reform should include the following three aspects:first,transter closed exam to openexam;secand,transfer unified exam to differentiated exam;third transter knowledge-oriented exam to ability-oriented exam.
为适应素质教育、创新教育的需要,“两课”考试改革应选准主攻方向。
Applying digital image processing technique, the section images of original FAC-20 asphalt mixture spe- cimens and 20,40,60 min specimens after rutting test are acquired,and this paper analyzes the variation regularity of coarse aggregate s principal axis direction got from these section images.
应用数字图像处理技术,分别对FAC-20沥青混合料的原始试件和20、40、60 min国标车辙试验的截面图像中粗集料颗粒主轴方向的变化规律作出分析。
With the aid of the (Charge- Coupled Device) CCD camera to acquire the digital informations for erect section of specimens, then utilizing the compacting parameters of compaction particle principal axis direction, asphalt mastics film thickness and particle area ratio etc.
针对沥青混合料试件压实成型方式不同因而内部结构各异的情况,采用图像数字处理技术,借助于CCD(电荷耦合器件)相机获取试件立断面的数字化信息,提出利用颗粒主轴方向、沥青砂胶膜厚及颗粒面积比等压实参数,直观、快速而准确地评价不同成型方法的压实效果,在此基础上,选择了马歇尔击实、轮碾压实、振动压实和旋转压实四种方法进行研究,并对比分析了实际路面结构。
The Relation between the Principal Direction on a Point of the Surface and the Principal Direction of the Quadric Curve;
曲面上一点的主方向与二次曲线的主方向的关系
The enemy diversion you are ignoring will be the main attack.
你所忽视的方向将是敌军的主攻方向。
He surrendered voluntarily to the police.
他主动向警方自首。
area of cross section of the main air flow
主送风方向横截面积
Second, absence of a main direction of attack.
二是没有主攻方向。
The two halves of the main branch have grown apart.
主枝的左右两边各向不同的方向生长。
Two Easy Ways To Determine the Directions of the Principal Stresses In A Plane Stress State;
二向应力状态主应力方向判别的两种简易方法
LOGISTICS SUPPORT METHODS OF CONTINGENCY OPERATION ON THE MAIN DIRECTIONS;
主要方向应急作战后勤保障方式探要
The romantic impulse, it has been seen, exerted a contrary pull.
我们在前面说过，浪漫主义在向相反的方向发展。
(2)relatively high risk region extends northwest with its main part in border of Antu County;
较高风险区向东北方向延伸,主体位于安图境内;
The Direction for Urban Construction:From Government to Community Sey-organization;
城市社区建设方向:政府主导转向社区自组织
The Dominant Direction on Trap Shooting is Improving the Hitting Accuracy of First Shot;
提高多向飞碟射击首发命中率是主导方向
Then the shoutings at the Chair began again, all over the place:
然后，人们又从四面八方向主席喊道：
Special Humanitarian Assistance Programme for Somalia
向索马里提供特别人道主义援助方案
Humanitarian Economic Assistance Programme to Afghanistan
向阿富汗提供人道主义经济援助方案
These deposits parallel to the main direction of sedimentation.
这些矿体与沉积的主要方向一致。
They dinned the official doctrines into our minds
他们反复向我们灌输官方的主张。
The terrorist did not want to give himself up to the police.
恐怖主义分子不愿向警方自首。
