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
- 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 - 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。 - 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, there is a perfect compromise between attenuation in stopband and group delay or loss variation in passband.
因此，它在带外衰减与带内幅度特性和带内群时延特性之间有了一个较好的折中。 - 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。 - Finally, the L2-disturbance attenuation control of port-controlled time-delay Hamiltonian systems are discussed.
最后讨论了受控时滞哈密顿系统的L2干扰抑制控制问题。 - 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。 - 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； - 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。 - 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