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After analyzing the characters of current hydraulic CAD, the method was put forward to use concurrent computer supported cooperative work to regulate hydraulic CAD, and to realize assistant graphics element drawing, principle drawing formation, data exchange, network communication and background data - base service by employing object - oriented technology, dialog box and control widget technology, input - output of graphics ＆ image and socket technology.

在分析当前液压CAD的特点之后，提出了用并行协同设计模式规划液压CAD，运用面向对象（object-oriented）技术、对话框和控件技术、数据库图库存储提取技术、导入导出图形图像技术和socket技术，具体实现了辅助图元绘制、原理图生成、数据交换、网络通讯和后台数据库服务各个功能，使液压系统计算机辅助设计得到进一步的完善。

Our experiments show that DSNR of different images in the same scene changes congruously with PSNR, thus can be used to evaluate the quality of decompressed images and image sequences.

实验证明，在相同场景中DSNR能较好地反映PSNR的变化，因而可以用于对同一图象的不同解压缩图象以及图象序列的评价。

Then, using these data tables to graph through figure guide and get single latitude positive axis conic projection figure and histogram about length distortion with latitude.

并介绍了如何利用求得的数据表使用EXCEL软件中的图表向导进行绘图，绘得正轴单纬圆锥投影图，即大地坐标的经纬网展布图及长度变形随纬度变化的关系柱状图。

But these methods limited by the expense of computing fundamental matrices and trifocal tensors or of the nonlinear optimization involved in computing epipolar tangencies. Through the studies of the invariants of the single axis motions, computational theories have been developed in this thesis to provide practical solutions for the problem of structure and motion from fitting the corresponding points in the whole sequence to its conic locus or conics for short.

在最近的研究中，一些研究人员利用视觉几何的方法从非定标的图象中对单轴旋转运动进行分析，提出了利用基本矩阵和三焦距张量求解单轴旋转运动中的关键参数——旋转角度的算法，但是该算法需要计算一系列相邻2图象的基本矩阵和一系列相邻3图象的三焦距张量，由于每个基本矩阵的自由度为7，每个三焦距张量的自由度为18，导致算法参数数量非常之大。

Connected component detection is an elementary and time-consuming operation in digital image processing. It is widely applied in pattern recognition, characteristic extraction, image understanding and so on.

连通检测是计算机数字图象处理中一个重要的基本操作，它在模式识别、图象理解、图象特征提取等方面有着广泛的用途。

Introduced in this paper is the forest graph of a connected graph which is a generalization of the tree graph.

本文中引进了连通图的森林图，它是树图的推广。

In general,given two vertices V and W in a graph,it is not always possible to find a path connecting them（see Fig.3-9）;such a path will exist only when the graph is"in one piece".

一般而言，给定图的两个顶点V和W并非总能找到连接它们的路（如图3-9所示）；只有图"在一块之中"时，这样的路才存在。

Moreover, the smallest degree sum on potentially K(p,1,1)-graphic sequences and k-cycle-graphic sequences are given respectively; bounds on m-restricted edge connectively and 3,4-restricted edge cut of graphs are also characterized respectively.

此外，还分别给出了蕴含k圈和（p，1，1）-部图可图序列度和的下界；分别给出连通图含m-限制边割的充分条件和必要条件及连通度的界。

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The two stage method by-passes the correspondence problem and ill-posed problem encountered in the general motion analysis, and avoids the local minimum problem of the spatial-constrain-based iteration method.

本文推广了全景图象方法和外极面图象方法，从而使之能适用于具有抖动的图象序列分析，并避免了一般运动视觉方法的不适定问题和特征对应问题、基于空域约束的迭代方法的局部最小化等问题。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。