衰减的

The potential is evaluated as a hyperbolic function of the distance from anode.

这时，管壁电位随着离阳极的距离按双曲余弦函数衰减。

We obtain several decay estimate of solutionsto hyperbolic system of first order by different norms of initial data.

得到了一阶双曲组Cauchy问题解的几个衰减估计。

Infrasound (0.0001-20Hz) is acoustic energy with characters of little attenuation and long distance during radiation, inaudibility, diffraction and resonance in some parameters.

次声波是频率为0.0001Hz-20Hz的声波，具有传播衰减小、传播距离远、易于衍射、一般听不到、达到一定参数可引发共振等特点。

Chap. 5 deals with the influence of exciting current distribution on slow decay effect in transient EM radiation. The index theorem is modified.

然后，以行波脉冲天线为例验证了我们关于广谱辐射慢衰减以及电磁导弹形成的理论。

First, they say, the weakening economy will reduce inflationary pressure.

首先，他们说，经济的衰减将降低通胀压力。

Finite element method is used in the study of nozzle damping of instable combustion in a solid rocket motor.

应用有限单元法研究固体火箭发动机不稳定燃烧中的喷管阻尼，并用波衰减对比法进行了试验研究。

In this paper, authors research the effects of the attenuation coefficient choice of the Gabor transform window function and sampling interval on signal resolution.

该文研究了Gabor变换窗函数衰减系数选择正确与否和采样间隔对信号分辨率的影响。

Performance degradation of fuel cell leads to invalidation of energy management strategy.

长时间运行的燃料电池性能衰减将导致能量管理算法失效。

The ionizer can keep the NAIs concentration above 3.02×105 ions/cm3 in the breathing space. This study investigated the distribution of control efficiency for four kinds of bioaerosols, and compared the difference of them.

研究结果发现，空气负离子在呼吸范围中的浓度分布在面部前方5 cm处最高，随与空气负离子产生源距离增加而衰减，由於面部会中和负电荷，故也会使空气负离子浓度骤减。

The characteristic of the attenuation when high-power microwave propagates through the lower ionosphere is analyzed in this paper.

主要研究高功率微波在低电离层的传输衰减特性。

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％。