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On the other hand, due to the special geometric shape of the side-chain polymers, at the corresponding bandgap edges of the infinite periodic chain, there exsit a pair of small transmittant peaks, which represents the residual periodicity in the chains.

当有限长度的具有随机支链的高聚物链连接到两个半无限长的金属导线上时，在严格扩展态处的透射峰的峰值有所下降，这是由高聚物和导线在界面处的位相失配引起的。

The performance of trapeziform labyrinth screw pump was investigated by changing geometric parameters of trapeziform screw.

分析了梯形螺纹几何参数对迷宫泵性能的影响。

Compared with the existing vision-based method for vibration measurement,this method obtains the analytical results of the amplitude of high-frequency vibration by calculating the first and second order geometric moments of a motion blurred image and an unblurred reference image.

与现有的基于计算机视觉的振动测量方法相比，该方法仅通过计算1幅清晰参考图像及1幅运动模糊图像的前2阶几何矩即可得到2D高频直线振动振幅的解析解，降低了根据图像信息测量振幅的计算复杂程度。

Compared with the existing vision-based method for vibration measurement, this method obtains the analytical results of the amplitude of high-frequency vibration by calculating the first and second order geometric moments of a motion blurred image and an unblurred reference image. This reduces the computational complexity for vibration measurement from images.

与现有的基于计算机视觉的振动测量方法相比，该方法仅通过计算1幅清晰参考图像及1幅运动模糊图像的前2阶几何矩即可得到2D高频直线振动振幅的解析解，降低了根据图像信息测量振幅的计算复杂程度。

Finite element analysis model of 9.00 R 20 radial tire was built and the static stress－strain distribution in the contact area was analyzed.The material and geometric nonlinear properties,and the anisotropic property of composite materials as well as uncompressible property of vulcanized rubber were studied.The effects of quantity of deflection, inflated pressure and friction coefficient on stress distribution in the contacting area were analyzed.

建立了9.00R20子午线轮胎的有限元分析模型，从轮胎的材料非线性、几何非线性、橡胶帘线复合材料的各向异性，以及橡胶材料的不可压缩性等方面探讨了轮胎与地面的静态接触问题，分析了下沉量、充气压力及静摩擦系数等对轮胎静态接地面内应力应变场的影响。

There is all kinds of information online,it is estimated that there are 30 million URL and 3.5 billion pages of papers,moreover,the quantity of the papers increases with geometric series.Facing so much an information resource,it has been very unconvenient to browse with a browser,for a user,to find information is looking for a needle in a bottle of a hay.

网上的信息浩如烟海，据估计，因特网上目前有3000万URL和35亿页文件，而且文件数量按几何级增长，而面对如此大量的信息资源，通过浏览器一步步浏览已十分不便，用户要在信息海洋里查找信息，就象大海捞针一样。

Ice/ridge geometric parameters is established, and from computational analysis it is found that the unmonotonous variations of drag coefficient with ice concentration that frequently observed in sea ice field investigation mostly result from the influence of form drag from ice edge.

通过将原型条件下的冰-水总拖曳力考虑成表面摩拖曳力、冰侧形拖曳力和冰脊形拖曳力三部分，建立了冰-水总拖曳系数同海冰和冰脊几何形态参数之间的定量关系，并由计算分析发现现场观测到的拖曳系数随密集度的非单调变化就是冰侧形拖曳力分量作用的重要体现。

The geometric and electronic structures of the unreduced and reduced Pt-doped ceria with different doping concentration are systematically studied using the first principles method based on the density functional theory with the inclusion of on-site Coulomb interaction.

本文用基于密度泛函理论的第一性原理方法，并考虑了Ce4f电子的在位库仑作用（on-site Coulomb interaction），计算并分析了不同浓度金属Pt掺杂对二氧化铈原子结构、电子结构和化学特性的影响。

These two parameters depend upon geometric conditions of unsignalized intersections, vehicle types and traffic volume.

交叉口的不同几何构成，不同的车辆组成以及车流量大小，都影响着临界间隙值的大小。

The proposed algorithm can preserve invariability on the geometric structure: the eigenvectors which are neighboring each other in the original space will maintain the same attribute in low-dimensional space; on the contrary, the unsimilar eigenvectors become apart farther each other. Therefore, the description generated by our algorithm can show the interrelationship between features and has strong robustness.

所提出的算法能保持描述器之间的几何结构不变：原空间中邻接的描述器映射到低维空间后保持邻接，而不相似的描述器映射后区分度更大，所以该算法所生成的描述器能表现特征点之间的内在关系，具有很强的鲁棒性。

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。