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
- 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。 - 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。 - 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。 - 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； - 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。 - 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 attenuation measurement error due to RF leakage in a single channel and a dual channel microwave attenuation measurement system is investigated.
研究了单通道和双通道微波衰减测量系统中的射频泄漏所导致的测量误差。 - Preliminary investigations are made together with site attenuation coefficient, transformation of explosive ene.
同时结合场地衰减系数、炸药能量转换和减震效应等作了初步探讨。 - 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。