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The influence on absorption coefficient brought from shape choice with cylindrical or cone-shaped cavity, square or hexagonal profile, from different closure as air or water, from different material properties and structure sizes, are analyzed based on the numerical calculations. Some general characteristics are summarized. It shows that lowest resonance frequency of sound absorbent coefficient is inversely proportional to volume of cavity and sound absorbent coefficient is proportional to perforated percentage.

2通过数值方法研究了吸声结构内腔为圆柱腔和圆锥腔、基材的剖面形状为正四边形和正六边形、不同背衬、基材材料特性、尺寸大小对整体吸声效果的影响，总结了这些情况下非旋转对称吸声结构的声学特性变化规律，得出腔体体积越大，吸声系数最低共振频率越低；穿孔率越大，吸声系数越大的结论。

The experiment results show that the device is appropriate for the micro-laser In order to optimize the design of the resonator cavity in the high-pressure discharge gas laser, an Eigenvector Method for calculation of optical resonator modes and beam propagation is brought forward.

为了更好地设计高气压放电激光器的谐振腔结构，提出了一种新颖的模拟光腔模式及光束传输的特征向量法。

Although born a Huron, he brought peace to the Mohawk, Oneida, Onondaga, Cayuga, and Seneca nations by teaching the Great Law of Peace, or way of right thinking, which came to be known as the Iroquois Confederacy.

和平之树的理念是一种强调道德与友爱的政治智慧，它不仅影响了印地安人，也影响了世界各地持有美好理想的人们。

But we are certain we try to be able to have brought more and more helps to everybody ceaselessly.

但我们坚信自己不断地尝试已经能给大家带来越来越多的帮助。

Weaver put the cecropia she was brought from heaven given to people in the villiage teach sericulture, Directors silk, woven silk.

织女就把她从天上带来的天蚕分给众姐妹，教大家养蚕、执丝、织绸缎。

Cecrops judged the olive tree to be the superior gift, for the olive tree brought wood, oil and food, and consequently accepted Athena as their patron.

刻克洛普斯判定橄榄树是更好的礼物，因为它带来木材、油和食物，所以接受雅典娜当守护神。

People and things, static or dynamic, in effect, have long been brought into the center of a circle, and everybody or everything can only make a curvy movement along a seemingly direct line.

无论是静态或动态式的人或物，其实早已被某圆心所规划，最后只能在看似一条直线的路上在做一个曲线运动。

This means that when you now click the center wheel button a few times, the lyrics field is brought up, rather than the description field.

这意味著，当你现在点击该中心滚轮按钮几次，歌词是外地长大，而不是说明栏位中。

Firstly, the conception and principle of process engineering is introduced, and process centered process model is brought forward.

首先，本文介绍了企业过程工程的原理及其概念框架，并以此为依据扩展和完善了以过程为核心的企业模型。

For the following fortnight, the price of the "target pizza" was brought down by one centime of a euro (1.58 of a U.S. cent), to 7.99 euros (US$12.62), while the prices of the other dishes still ended in a zero.

接下来的两周，「目标披萨」的价格下降欧元一生丁到七点九九欧元，而其他餐点的价格都维持整数零结尾。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。