attenuation
英 [əˌtenjʊˈeɪʃn]
美 [əˌtenjʊˈeɪʃn]
n. 衰减；变薄；稀释
复数：attenuations
BNC.26830 / COCA.25321
英英释义
noun
- the property of something that has been weakened or reduced in thickness or density
- weakening in force or intensity
- attenuation in the volume of the sound
双语例句
- Tracking control and disturbance attenuation is the basic control in actual project.
跟踪控制和扰动抑制是广泛存在于工程实际中的一类基本控制问题。 - Intensity error from the fluctuation of the light source and fiber attenuation are eliminated by intensity compensation.
实验时采取的参考光强度补偿的措施，消除了光源、光纤衰减等波动对测试结果的影响。 - Then, the influences of some parameters on phase speed and attenuation are analyzed.
给出了圆柱管的一些参数对相速度和衰减的影响。 - Attenuation of seismic waves between such surfaces can be similarly diagnostic.
在这些界面之间地震波的衰减，同样可以作为一种标志。 - A brief review is given in this paper for sound attenuation in turbid water.
对混浊水声衰减作了简要的综述。 - The spectra below indicate the attenuation of each optical fiber type used in our optical fiber assemblies.
下面的光谱说明了我们的光纤附件中使用的各种光纤类型的衰减情况。 - Pulsed echo ultrasonoscope Express the factors resulting in the attenuation of acoustic waves.
回波反射式超声诊断仪请陈述导致超音波衰减的各项因素。 - Two new medium parameters related to acoustic attenuation are introduced and an acoustic propagation coefficient is defined.
本文引入两个与声衰减有关的介质参量，定义了声传播系数； - We also investigate the relationship between the total attenuation coefficient and the energy density, pulse duration, and pulse repetition.
我们研究了衰减系数和能量密度、脉冲宽度及脉冲频率之间的关系。 - It is showed by theoretical study and tests that existing fluid in porous medium and its movements are main reasons of dispersion and attenuation of elastic waves.
理论研究和实验表明，多孔隙介质中流体的存在及其运动是弹性波频散和衰减的主要原因。