衰减的

In this dissertation, the theories and practical achievements of this field were summarized, ruls about dissemination and attenuation in soils of vibration are discoursed.

本文对该领域近年来的研究成果进行了综述，论述了振动在土中的传播及衰减规律。

But the noises, the attenuation and the multipath propagation inhering in the powerline make it very difficult to realize such kind of communication system.

但是电力线信道上存在的各种噪声、衰减和多径传播等问题，这些都大大提高了通信的难度。

These phenomena indicate that a lot ofwaxes have crystallized in waxy oil and the oil is jelling.

含蜡原油声速和衰减系数的变化对应于含蜡原油中有大量蜡晶析出与凝结的过程。

Experimental results show that the proposed method can filter the CSI in PD well, which makes the PD pules attenuate less and has good real time.

实验结果表明，所提出的方法能够很好地滤除局部放电中的连续正弦干扰，且使局部放电脉冲衰减很小，实时性好。

Owing to slow recessing and long travel distance of the UHF radio waves, this system can transmit

此系统利用无线高频电波在隧道中衰减慢、输距离远的特性，实现了洞内图像的传输和洞内、语音交互。

Generally the horizontal motions have same direction as the Pacific plate subducting to the southeast.

从东海岸到西海岸，测站水平速度存在明显的梯度衰减特征，水平运动方向与太平洋板块向西北的俯冲方向基本一致。

The sulfurized film is quite stable and will not decay even under the illumination of high power desity of l. 5kw/cm〓 of the Ar〓 laser or an exposure to air of about seven months.

生成的钝化膜非常稳定，在激光功率密度为1.5kw/cm〓的照射或大气暴露七个月后其PL几乎不衰减。

This drop in purchasing power also widens the gap between the rich and everyone else.

货币购买力的衰减也会使更多的财富流向富人。

This research is to use conductive fiber to be an electromagnetic-wave absorption screen layer. This theory of electromagnetic-wave absorption is based on the knitted structure, which enables the electromagnetic-wave interference, diffraction and reflection on the screen layer effective.

本研究主要利用导电损失的导电性纤维，制作为平纹针织结构作为电磁波吸收体之护幕层，此部份的电磁波吸收原理是利用针织物特殊之材料结构性质使护幕表面达到有效之电磁波干涉、绕射、多重反射之衰减。

In this article, we analyze the relationship between the wavelet width and the reflection angle, the reflector dip,the velocity, by the calculation of the attenuation Sinc wavelet.

本文通过对衰减Sinc子波的实际计算，分析了地震波速度、反射角和地层倾角分别与子波宽度的关系。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。