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
- 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。 - The attenuation peaks of saturated rocks vary with the viscosity of fluid.
饱和岩石具有衰减峰,其特征随饱和液体黏性而变化。 - 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。 - 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。 - 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。 - 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。 - 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; - 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。 - This paper studies the relations between "time-domain attenuation" and sea state or wave height, center frequency or transmitting range.
研究了浅海声信道“时域衰落”与海况、波高、中心频率和作用距离的关系。 - 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