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So, in this paper, a circular cavity witha large radius is used to replace the straight boundary of thehalf space, then the half space problem can be changed tothe scattering problem of two circular cavities to the steadyincident P-wave . Having the aid of the mature cylinderfunction theory, the general solutions of the wave functionscan be given, and an infinite linear algebraic equations ofthe unknown coefficients in the wave functions can be gottenwith the boundary conditions and the Fourier complex seriesexpansion technology, the infinite linear algebraic equationscan be approximately solved by the finite trunction withsatisfying some definite precision, at the basis of thissolution of the equation, the variations and the lay-outs ofthe DSCF at the circular cavity boundary vs. the differentincident angles, the different embedded depths of thecircular cavity as well as the different dimensionless wavenumber of the incident P-wave.

为此，本文采用一个半径很大的圆孔来代替半空间的直边界，将该半空间问题转化为一无限大空间中两个圆孔对稳态P波的共同散射问题，借助于成熟的柱函数理论，通过写出问题波函数的一般形式解，利用问题的边界条件，并采用复数傅立叶级数展开技术将其化为一个仅包含问题波函数中未知系数的一无穷线性代数方程组，在满足一定计算精度的前提下，通过有限项截断进行近似求解，进而讨论了圆孔边界处的动应力集中系数随不同入射角、不同的圆孔掩埋深度、入射波的不同无量纲波数以及介质的泊松比变化和分布情况。

DATA SYNTHESIS:①Although the criterion of boxing injures is different and the boxing injured rate has been reported variedly by different scholars, in the whole, the rate of boxing injuries is not high.

资料综合：①由于采用的运动损伤的评判标准不同，不同的学者对拳击损伤率的报道不同，但是从整体上来说拳击运动损伤率并不高。

Single varietal blends are made from grapes grown in different vineyards, from different clones, etc

单一品种的混合酒是由在不同的葡萄园和不同的单体的同一品种制造的。

Different lectin can be coupled with epoxy-magnetic particles in different conditions to form various lectin affinity magnetic particles used for isolation of variform glycoprotein.

结合双向电泳技术首次建立了健康人肝脏细胞Chang Liver和肝癌细胞SMMS-7721 LCA结合糖蛋白的差异表达谱。

A selection of interesting tiny vases of different sizes and shapes, from different countries, is important.

选择从不同地区的，各种各样的有趣的小花瓶，还是不同大小，不同形状，也是很重要的。

Different rates of VAT apply in different EU member states.

不同的利率增值税适用於不同的欧盟成员国。

Life outside the Vault was different, and now I, too, was different.

金库外的生活是不同的，现在我也有所不同。

Many polarimetric target decompositions were explored, and support vector machine was applied to the classification of polarimetric SAR image. A new algorithm of target classification was presented based on polarimetric target decomposition and support vector machine. Finally, the effect of classification results was discussed by selecting different kernels and different parameters.

五系统地对各种极化目标分解方法进行了深入的探讨，并应用支持向量机对极化SAR图像进行分类研究，提出了一种基于极化目标分解和支持向量机的目标分类算法，并通过选择各种类型的核函数以及不同的参数，探讨其对地物目标分类结果的影响。

Because the different kinds of norms need the different computation and complexity, we should choose the most suitable vector norm to process the despreading signals for simplifying the hardware circuit.

由于不同的向量范数所需的运算量和计算的复杂程度各不相同，所以可根据实际情况选择最合适的向量范数来衡量各支路解扩信号向量的大小，以简化硬件电路。

PAN fibers with different drawing ratio and different preoxidation degree were investigated by means of sound velocimeter and X-ray diffraction meter.

采用声速仪及X射线衍射仪对不同牵伸倍数和不同预氧化程度的PAN纤维进行取向度和预氧化程度的测试，并将其结果进行对比。

In the days of sailing vessels the crew were afraid they would be becalmed on the ocean.

在使用帆船的时代，船员们担心他们会因为无风而无法在海洋上航行。

As long as foreign donors pay the PA's salary bill, few expect a new intifada.

只要外国继续为巴权力机构的薪水买单，希望发动新暴动的人便寥寥无几。