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
- 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。 - 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。 - 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 - 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; - When electrical parameter is changd by wet tunnel wall, electromagnetic wave propagation attenuation will vary.
摘要矿井隧道壁湿润会引起电参数改变,从而使电磁波传播衰减率发生变化。 - The problems of atmospheric attenuation, light intensity fluctuation and beam alignment in laser transmission have become one of the bottlenecks restricting communication distance and performance.
激光传输中的大气衰减和光强起伏问题及光束对准问题已经成为限制通信距离和性能的瓶颈之一。 - The Dispersion and Attenuation Measurement System for Single Mode Optical Fiber
单模光纤的色散和损耗特性测量系统 - 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。 - Signal attenuation in the power line environment is often great, and unpredictable.
信号衰减在输电线环境经常是伟大和变化莫测的。
