交点

阅读线图时应强调把重点放在交点而不是点与点之间的线段上。这种类型的图最常用来表示事物随时间发生的变化。

To read a line graph , it 's important to focus on the points of intersection rather than the line segments between the points , This type of graph is most commonly used to show how something changes over time .

关于内接n点形对边交点的共线问题

On collinear problems of intersection points of opposite sides for an inscribed n-gon

Cu三晶体中三晶交点应力集中特性的分析

Analysis of Stress Concentration for Triple Junction in Cu Tricrystal

该算法通过求取最大模糊熵准则下，灰度均值直方图的最佳模糊划分参数来确定两个模糊集A和B，图像分割阈值即选取为两个模糊集的交点。

This algorithm defines two fuzzy sets A and B on a local average histogram of the image .

本文对计算平面上n个线段所有交点的平面扫描算法及数据结构做了改进。

This paper presents an improved data structure of the sweeping plane algorithm for line segment intersection of size n.

利用B样条曲线将等高线光栅图矢量化，根据B样条曲线插值公式得到等高线与纵横网格线的交点；

Transforming raster contour into vector one with B-spline , and getting intersect points of contour and grid line with interpolation method .

“X”形的交点出现的位置和夹角与不同上限值和不同幅值区间有关。

The position and angle of the X-shaped crossing are related to the different upper limits and amplitude areas .

要实际计算交点，可以识别具有奇数次相交的点，然后使用GROUPBY和HAVING子句筛选出这些点。

To actually count the intersections , identify the points that have an odd number of intersections , and then filter out those points using GROUP BY and HAVING clauses .

零交点一阶导数同步荧光法测定苯并（a）芘和苯并（k）荧蒽

Simultaneous Determination of Benzo ( a ) Pyrene and Benzo ( k ) Fluoranthene by First Order Derivative Synchronous Fluorescence & Zero Crossing Method

双组分的相平衡曲线与进料状态线（q线）的交点有特殊的物理意义，可称其为进点。

The intersecting point of the equilibrium curve and the feed line has special physical meaning , it is called feed point .

结果：锁骨下静脉属支腋静脉与锁骨中线交点距锁骨中点下缘（6.2±1.7）mm；

Results : The intersection of the axillary vein and the midline of clavicle was 6.2 ± 1.7 mm below the midpoint of clavicle .

此线的斜率正比于电离层等效板厚τ，直线与纵轴的交点给出Ωc。

The slope of the regression line is proportinal to t , the equivalent thickness of the ionosphere , and its interception with the ordinate axis (Ω R ) gives Ω 0 .

通过以二次B样条曲线为基础的有向环来表示区域，并构造环之间的交点表等给出了一般二次曲线窗口上的裁剪算法。

Region can be presented by directed rings based on quadratic B-spline curves . This clipping algorithm is presented through the construction of a list of points of intersection between the rings .

当第二个参数变化时，利用特殊函数的性质，较详细地分析了F分布密度曲线之间交点的变化情况。

This paper uses the properties of special functions , analyses fully the variances of intersection points of F distributed density curves when the second parameter changes .

测定了苯在五种积炭量不同的催化裂化衰化系列催化剂上的保留体积，发现它们的LogVg对1/T直线有一共同交点。

The retention volumes of benzene are measured on five cracking catalysts with different contents of coke deposit , and the five lines of log V_g-1 / T are obtained .

指尖3D定位问题被建模为计算手势平面与指尖成像直线的交点，解决了指尖区域深度数据缺失情况下的定位问题。

The fingertip location in 3D space is formulated as computing the intersection point of the hand plane and the fingertip projection line to handle the location error due to missed depth data .

利用气体放电双探针法研究了等离子体的I-V曲线中的电流I相对于电压V轴交点的不对称性，并提出2种可能的解释：一认为是由于两探针表面积不同引起的；

The I-V curve of the plasma in gas discharge is measured using dual probe method , and an asymmetry of I-V curve is observed .

用各向异性有限单元法对Cu三晶体中的三晶交点在弹性阶段应力集中特性进行了计算分析，与数值解法进行了比较，证明了方法是可行的，计算结果是可信的。

By using the finite element method of anisotropy , the characteristics of stress concentration during elastic stage have been analyzed and calculated . The results are compared with the numerical believable .

在大功率逆变器的实时控制中，如何快速准确地计算出SPWM交点是一个关键问题。

How to calculate SPWM cross point rapidly and accurately is a key problem in the real time controller of high power inverter .

结果：获得f（V）-V点直线图，直线与V轴交点即为等量点时滴定剂体积Ve。

Results A straight line through f ( V ) - V points was obtained and its intersection point with the V-axis was just the volume of titrant at the equal amount point-Ve .

利用三角Bèzier曲面片的保凸性和可分割性，解决了初始交点计算、迭代收敛等问题；

The initial intersection point between surfaces is found by using the convexity property and subdivision method of triangular B è zier patches , then it is refined by iteration .

根据所得奇异积分方程和Cauchy型积分的端点性质，得出了确定刚性线和界面交点处奇异性阶数的特征方程。

The characteristic equation of the singular stress order at the intersection is obtained using the integral equation and tip characteristic of Cauchy type integral .

基于Lifting小波变换原理对细分曲面实体切片操作产生的离散交点序列进行处理，将它们组织为属于多个层次结构的多分辨率曲线。

Four kinds of Lifting wavelet transform had been used to deal with the discrete contour vertices , which were created by slicing a surface subdivision model , to construct the multiresolution contours .

提出了一种剪刀迭代算法，用于CAD/CAM/CNC系统中NURBS曲线段与圆弧之交点的求取。

A new method of scissors iteration , to calculate the cross-intersection between NURBS and circular arc in CAD / CAM / CNC system , is advanced .

本文提出了一种新的MonteCarlo框架下的随机角点检测方法，不是在参数空间中求解，而是将角点检测转换为交点累积空间中寻找局部极值的问题。

A new random corner detection method under Monte Carlo scheme is developed , which transforms corner detection into local maximum search in the accumulative intersection space , not the traditional parameter space .

对taggedMRI分割所得结果中的网格交点进行了定义和编码，并设计实现了心脏模拟算法。

The grid points , which could be acquired from tagged MRI , were defined and coded , and the algorithm of heart simulation and LV simulator was designed and realized .

又采用了求J直线和t直线交点，按图由交点直接确定功率流种类的方法。

Species of power flow can be determined by table 1.Another way of determining the species of power flow is through the point of intersection of straight line J and straight line t.

在该方法中，角点将被定义为二条（或二条以上）直线的交点，并利用Hough变换来检测直线。

The corner is defined as the point of intersection of two ( or more ) lines , and the Hough transform is used to extract the lines .

当胫骨模板长轴沿FE轴安放，65%的病例位置合适，交点位于髌韧带宽度的10%～60%处；

When the tibial template was aligned along the FE axis , 65 % of the cases were in an ideal position , and the intersect is at the 10 % - 60 % width of the patellar tendon .

与锁骨下静脉与锁骨下缘的交点处相比，锁骨中线和锁骨中外1/3的探头切面和人体冠状面的夹角大，且差异有统计学意义（P0.05）。

Compared with junction of the subclavian vein and clavicle , significant difference was detected in the included angle between coronal plane of ultrasound probe in the midclavicular line and foreign two-third of clavicular line ( P0.05 ) .