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Helmeted riot police are posted every few metres along its narrow, winding alleyways.

老朋友了，Helmeted 和前面对部队武装的描述是一样的，都是在渲染很黄很暴力，身上带着全套装备。

Helmeted riot police are posted every few metres along its narrow,winding alleyways.

沿着狭窄、弯曲的小巷，每隔几米都布有头戴盔的防暴警察。

According to the studied results at present, the studied objects are mainly thin plate and beam about sound radiation mode, a method computed sound radiation mode of complex structure is presented in this dissertation, according to the results of the previous two chapter, a theoretical method to solve acoustical radiation mode and acoustical radiation efficiency of complex structure by boundary element method and acoustical radiation theory is posed, the acoustical radiation power is expressed as a Hermitian quadratic form, while the radiation modes is determined by general eigenvalue decomposing, and then the radiation efficiency is computed via the orthodoxy of radiation modes with regard to impedance matrix and average velocity matrix; lastly, the validity of the method is proved by pulsating sphere and radiating cube with analytical results. According to results of the form three chapter, the structure sound radiation sensitivity is studied in detail, the sound radiation power of structure can be expressed as positive Hermitian quadratic form, the sound radiation sensitivity can be expressed as two parts by partial differential with respect to design variable, which are sensitivity of boundary velocity and impedance matrix, combined with the theory of FEM and BEM, the structure sound radiation can be translated to the analysis of structure dynamic sensitivity and impedance matrix sensitivity. The theory posted in this dissertation is tested by the FEM software ANSYS and the software AAS programmed by author.

在前几章的基础上，通过结构声辐射的模态理论对结构的声辐射的机理进行了深入地探讨，针对目前声辐射模态的研究对象主要是简单的板和梁类结构，提出了一种计算复杂结构声辐射模态的方法，利用前两章研究所得的结论，将边界元方法与广义特征值的理论结合起来研究了复杂结构的声辐射模态与声辐射效率，先将结构的声辐射功率表示为一个正定的厄米特二(来源：ABb7C论文0909网www.abclunwen.com)次型，运用广义特征值分解求解了复杂结构的声辐射模态，然后利用声辐射模态关于阻抗矩阵与均方速度耦合矩阵的正交性，求解了复杂结构的声辐射效率，最后用具有解析解的脉动球与辐射立方体验证了该方法的有效性。

The Midwest and South each posted two-point gains in their HMI readings, to 15 and 21, respectively.

中西部和南部 HMI 都上升了2点，分别为15和21。

Source: Mary R. Neh, Home Economist, Navajo Cultural Center -- posted by philocrates...

来源：玛丽钢筋已知，回家经济师、纳瓦霍文化中心--帖子philocrates

Two months ago, Horst was posted to Paris.

两个月以前霍斯特被派往巴黎。

Hurray posted a $12 million net loss last year on $54 million in revenue.

华友世纪去年收入5，400万美元，净亏损1，200万美元。

So don't assume something is "wrong" with your new bow just because it doesn't shoot as fast as it's posted IBO Speed.

因此不承担什么是"错误的"您的新弓只是因为它没有打出像现在这么快的速度发布国际文凭组织。

Icky Barnes posted a 65 Saturday to go 8-under, the lowest anyone has ever been after two rounds.

B解决了65杆的8杆，从没有人在进行两轮后打出这么低的成绩。

User posted for her bar in the establishment of a large number of fans there.

网友为她建立的贴吧中出现了大量的粉丝。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。