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Finally, a floating raft system model is presented, and the natural frequency is computed and analyzed.

最后，以浮筏系统模型为实例，进行系统建模和整个系统的固有频率计算和分析。

Moreover, the Pareto optimum vector of benefit distribution, which can impel the alliance system to operate more smoothly, is computed. And also a new notion of "Dynamic Relative Stability" and an approach of solving the problem of the optimum stability of NESA under the effective organizational restriction are proposed.

其中，论文研究得到了促使整个联盟系统平衡运转的帕累托最优利益分配向量，提出了"动态相对稳定"的概念，解决了如何在有效的联盟组织约束下达到最优的稳定性水平的问题。

Computed Tomography is one of the key technologies in contemporary medical image and nondestructive testing.

计算机断层成像是现代医学成像和工业无损检测的重要技术之一。尤其在医学上的应用得到了极大的发展。

Firstly, we normalized the basic voxel by constructing its minimum oriented bounding box. Secondly, we constructed its D2 shape distribution curve, and computed the values of EMD(earth mover's distance) compared with the corresponding curves of the normal cone and cylinder respectively, and the corresponding top diameters. Finally, we compared the top diameters and obtained the parameters by the bounding box.

首先建立基本体素的MOBB，对体素进行标准化；然后生成其D2形状分布曲线，计算此曲线分别与标准圆锥体形状分布曲线、标准圆柱体形状分布曲线的EMD(earth mover's distance)值以及相应的上底直径；最后通过比较两个上底直径的大小来判断此体素是否为圆台体，并由包围盒的边长给出圆台体的参数。

On the same time, numerical computed method is utilized to solve the normal distribution function for the precision of computer.

同时利用数值计算方法，对求解过程中正态分布函数的计算进行了适当的数值处理以满足计算方法的要求。

Moreover, one set of normal equations is computed from a 7-day orbit arc.

最后累加每7天一弧段之法方程式，计算平均地球重力场模型，发现大地起伏精度在空间解析度1000公里时为5 mm，精度比EIGEN-1S及EGM96佳。

For the LS problem, the method of normal equations needs less computation but its computed solution has poor accuracy. If QR factorization is used, more accurate solution can be got. However, its computation is nearly as twice as the method of normal equations.

对于线性最小二乘问题，混合方法的提出是企图在法方程法与QR分解方法之间取得某种平衡，希望能够节省计算量又同时保持计算解达到较高精度，但后者在理论上并未得到证明。

The normal of the plane needs to be computed separately.

平面的法向量需要单独计算。

Firstly,3D point clouds produced by 3D laser scanner are converted into polygon mesh.Then,normal vectors and areas of every polygon mesh are computed and some candidate regions are obtained using region dilation strategy.Finally,the 3D laser scanning data is segmented into regions of similar orientation after the elimination of the insignificant regions.

首先将三维扫描表面数据转化为三维网格模型；然后利用同一区域中相邻网格具有相似法线方向这一性质，使用区域膨胀策略生成若干获选表面区域；最后通过去除候选区域中的噪声区域得到最终表面区域分割结果。

First, the proposed scheme uses contourlet transform to extract multidirectional and multiscale texture information, and then obtains the feature points invariant to the affine transformation from the low and middle directional subbands by Harris-Affine detector. Second, the feature regions are adaptively computed by the feature scale of the local structure and normalized by U transform. The watermarking is embedded adaptively in those characteristic regions which are normalized. Finally, by vector quantization, several copies of the watermark are embedded into the no overlapped local feature regions in different directional subbands.

首先，用Contourlet变换提取出多尺度、多方向的纹理信息；再用Harris-Affine检测算子从变换域的中、低频方向子带中提取出仿射不变特征点，结合自适应局部结构的特征尺度确定特征区域，并用U变换对其归一化处理，水印就自适应地嵌入到归一化后的区域中；水印嵌入采纳矢量量化的策略，将水印信息重复嵌入到不同方向子带、多个不相交的局部仿射不变特征区域。

I hope that this success is just the first in a long series.

我希望这只是成功的开始。

Three dimensional stresses on the interface of tire and soil, tire deflection and soil sinkage are measured.

测试轮胎——沙土界面上的三向应力、轮胎变形和沙土沉陷；建立考虑剪切应力对沙土承载特性产生影响的车轮牵引性能预测模型；分析车轮作用下土壤的纵向稳定性。