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Based on the analysis of the color spaces, color invariants are computed from images, which are transformed by using the DFT.

首先 ，通过对彩色空间的分析，提取图像中的颜色不变量，然后在频域内对这样的颜色信息进行分析。

After verification of FEM, 45 species of 15 series are computed. The major parameters including slippage coefficients, pretensions forces, dimensions of angles, arrangement of bolts, connection method among angle, beam web, column flange, and so on are studied. Some important conclusions are drawn.

主要研究了摩擦系数、螺栓预拉力、螺栓线到与柱连接角钢肢背的距离、螺栓直径及级别、梁长、螺栓排列布置、梁高、柱翼缘厚度、角钢厚度、角钢长度、梁腹板只与角钢肢尖相焊接、钢材强度、角钢与梁柱均栓接、角钢与柱焊接与梁栓接、角钢与梁柱均焊接等参数对腹板双角钢梁柱连接滞回性能的影响，得出了一系列重要的结论。

After verification of FEM, 45 species of 15 series are computed. The major parameters including slippage coefficients, pretensions forces, dimensions of angles, arrangement of bolts, connection method among angle, beam web, column flange, and so on are studied. Some important conclusions are drawn.At last, Advices for seismic design based on tests and FEM analysis are presented at last. The study is rather comprehensive and systematic, and the conclusions. can be useful for revising design code, guiding design of engineering, and provide good basis for further to study behavior of shear beam-to-column connections.

主要研究了摩擦系数、螺栓预拉力、螺栓线到与柱连接角钢肢背的距离、螺栓直径及级别、梁长、螺栓排列布置、梁高、柱翼缘厚度、角钢厚度、角钢长度、梁腹板只与角钢肢尖相焊接、钢材强度、角钢与梁柱均栓接、角钢与柱焊接与梁栓接、角钢与梁柱均焊接等参数对腹板双角钢梁柱连接滞回性能的影响，得出了一系列重要的结论。

This thesis is focused on the study of contingency screening method of power system. The main work fulfilled is as follows. 1 Various performance indexes which represent severity degree of contingencies are proposed and analyzed. These indexes are gotten system state before and after contingency clearing obtained by the means of time domain simulation. They can be computed conveniently and immediately and can meet the need of online transient stability analysis.

论文针对电力系统的暂态稳定事故扫描的方法展开研究，主要完成的工作如下： 1提出并分析了能够表征事故严重程度的各种性能指标，这些指标利用时域仿真工具获得事故清除前后的系统状态计算得到，计算方便快捷，可用于事故的快速筛选和排序。

The contour curve is obtained with Sobel operator, and thus the angel of the contour curve of needlepoint image can be computed.

通过Sobel算子和曲线拟合得到输液针图象的轮廓曲线，并进一步计算出输液针图象的外轮廓角度。

The main purpose of this article is to work over and analyse dynamic specialties of the plane four bar mechanism especially crank and rocker mechanism and brace cake mechanism in the dynamic and constrained system contained with mechanical and hydraulic integration, and dynamic specialties of the plane four bar mechanism in the system made of mechanical and hydraulic integration can carry out and be easily computed by the software MATLAB to have a simulation.

本文的主要目的是研究分析机械系统和液压系统综合动态约束系统下，对机械系统单元部分选取的平面四连杆机构，尤其是曲柄摇杆机构和曲柄滑块机构的动态特性，并能通过MATLAB软件实现对机液综合机构学理论中的平面四杆机构的动态特性计算及仿真研究。

From the computed ring spacing of three multi-ring basins on the moon (Orientale, Moscoviense and Serenitatis South), it is shown that the tsunami model can only be applied to the area within the main ring, this agrees with the previous conclusion that the Ⅳ ring marks the end of fluidized region and the crater rim of the excavated basin.

通过计算月球上三个多环盆地（东海、莫斯科海和南澄海）的环位置并与观测数据进行比较可看出海啸模型仅适用于主环之内，该环也标志着挖掘盆地的边缘和液化区域的结束边界。

In this paper, radar cross section of arrays with rectangular, cross-shaped and circular element is computed and the results are compared with the that of method of moment to validate this method.

文中计算了矩形、十字形及圆形单元微带阵列的雷达截面，并与常规矩量法和参考文献的计算结果进行了比对，验证了该方法的有效性。

The computed results showed that the section shape of rolled piece and the crown of strip calculated using the analytical method and the finite element model are similar to that of the field measurement, which effectively verifies the proposed research methods and the formulated model.

计算结果表明：采用解析法、有限元法计算出的轧件断面形状与现场实测出的轧件断面形状及板带凸度数值相近，这说明研究方法和模型的有效性。

The deflection induced by creep is based on effective modulus method and the deflection induced by shrinkage is directly computed.

论文同时对现行规范方法和文献方法进行了分析，现行规范中考虑收缩和徐变的计算方法不全面，且偏于不安全，而文献的其它方法在收缩变形分析中也存在一些不足。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。