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The results show that more modalities can be excited from asymmetric system and that there is little difference between the power flow spectra of rigid raft system and flexible raft system in middle and low bands of frequency, but there is considerable difference at high frequency.

研究结果表明，非对称系统能激励出更多的模态；在中低频段弹性浮筏系统和刚性浮筏系统的功率谱没有很大的区别，但是在高频段差别则很明显，浮筏的弹性模态起着主要作用；减小隔振器的刚度并适当增加隔振器阻尼不仅可以降低传递到基础的功率谱，同时还可以抑制共振减小冲击。

He had to sell his car at a considerable sacrifice .

他以相当大的牺牲卖掉了自己的车。

This means that a considerable number of outbreaks in patients with hypertension at any time the risk of cardio-cerebral vascular diseases.

这就意味着有相当多的高血压患者随时都有暴发心脑血管病的危险。

Ation, should pay considerable attention to this problem.

的家长开始意识到包括教师和教育专家在内的人们应该认真对待这一问题。

Speech enhancement experiments show that the proposed method achieves considerable improvement compared with commonly recursive averaging method.

语音增强实验表明，该算法避免了传统语音增强系统中由于先验信噪比通过回归平均获得所导致的先验信噪比估计粗糙的弊端，提高了语音增强系统的性能。

These hymns are for the most part metrical in structure, and they show considerable poetic merit in certain instances, which is not common in Avesta.

这些赞美诗大部分韵律结构，它们显示相当诗意优点在某些情况下，这是不常见的阿维斯塔。

A considerable number of covers carried on flights still exist and are avidly collected.

有相当多的内容包括进行飞行依然存在并有大力收集。

The channel coding technology can avouch the reliable message transmission and have some considerable coding gains.

信道编码技术能够保证可靠的信息传输，并能够提供相当大的编码增益。1993年，C。

In recent years, the economic and technical co-operation between China and Azerbaijan has made considerable progress.

近年来，中阿经济技术合作取得长足进展，合作规模不断扩大，合作项目的技术含量不断提高。

Rising imports have had a considerable effect on our balance of payments.

进口量的增加对我们的收支平衡有相当大的影响。

"Second Life is remarkably easy to work with, and is very popular,"

"第二次生命是显着容易的工作，并且很受欢迎，"

For example, we usually assume that materials are homogeneous and isotropic and free of internal defects or flaws.

为了得到适合有限元分析的模型，我们必须经过如图2所示的简化步骤。