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
- Ultrasonic transmission attenuation characteristic in muscular tissue is discussed in this paper.
探讨超声对肌肉组织超声传输特性。 - The attenuation spectrum of ultrasonic waves through the slurry may provide the information about particle size distribution.
利用超声衰减谱的测量，可以获得泥沙中颗粒粒度分布信息。 - A Study on the Relations of the Surface Attenuation with the Surface Velocity and Seismic Signal Frequency
表层吸收衰减与表层速度及地震信号频率关系研究 - Therefore, the fog attenuation can be regarded as a multiplicative interference channel of Gauss distribution.
因此，可以把雾衰减看成一个具有高斯分布的乘性干扰信道。 - 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。 - It has a rather high transmission frequency and low attenuation.
具有较高的传输频率和较低的衰减。 - In an infrared guidance system, the atmosphere attenuation has an significant influence on infrared detection.
在红外制导系统中，大气衰减作用对红外探测有重要影响。 - 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。 - 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。 - 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。