Lateral Attenuation of Aircraft Sound Levels Over an Acoustically Hard Water Surface.
在声学上硬水表面上方飞机声音强度的侧向衰减。
To reduce vertical dampening, the component is available with additional attenuation.
为了减少垂直打压，该组件可提供额外的衰减。
Study on sound propagation attenuation model in suspensions of polydisperse particles
多分散颗粒悬浊液声传播衰减模型研究
Atmospheric turbulence and attenuation play an important role in laser's transmission.
大气湍流与大气消光会给激光传输带来较大的影响。
The Ventilation and Sound Attenuation Redesign for Building Acoustic Sound Insulation Lab
建筑隔声实验室通风与消声改造
Measuring the ultrasonic attenuation coefficient of flyash scale in the transport pipeline
输灰管灰垢声衰减系数的测定
A method for the attenuation of shock waves on airfoils in supercritical flow is presented.
本文提出了在超临界流中减弱翼型激渡的方法。
The Model of Attenuation Cross Section for Raindrops and the Analysis of its Characteristic
雨滴的衰减截面模型及特性分析
When it uses to detect low thin clouds, the atmospheric gas attenuation should be corrected.
测低层薄云时需要考虑气体衰减订正。
Study on Attenuation Regularity of Arch Supporting Force of Tunnel with Circular Arch Section
圆拱状断面隧道拱圈支承力衰减规律的研究
The dispersion and attenuation of the electromagnetic oscillations in antiferromagnetic medium
反铁磁体中电磁振荡的频散和衰减
An acoustic log that uses the attenuation of compressional and shear waves to locate fractures.
利用纵波和横波的衰减确定裂缝位置的一种声波测井方法。
Meanwhile, the existence of the acoustic attenuation coefficient benefits the axial resolution.
同时，声衰减系数的存在有利于轴向分辨率的提高。
Acoustic attenuation performance prediction and analysis of perforated tube dissipative silencers
穿孔管阻性消声器消声性能计算及分析
The numerical study of acoustical attenuation and velocityin the suspension of superfine particles
超细颗粒悬浊液中声衰减和声速的数值分析研究
Study on the Mechanism of Duct Active Sound Attenuation and Review on the Related Elements Development
管道有源消声的机理研究与元器件发展评述
RESEARCH ON THE HELICAL FLOW ATTENUATION LAW IN ANNULAR FLOW FIELD BY THE ACTION OF CYCLONE CENTRALIZER
在旋流扶正器作用下环空流场旋流衰减规律研究
Finite Element Calculation and Analysis of Acoustic Attenuation Performance of Perforated Tube Silencers
穿孔管消声器消声性能的有限元计算及分析
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。
However, the fog is one of the important factors forming atmospheric attenuation and light intensity fluctuation.
而雾是形成大气衰减和光强起伏的重要因素之一。
Tension of abdominal muscle, epigastrium tenderness, rebounding pain, and gurgling sound attenuation or disappearance.
腹肌紧张、上腹部压痛、反跳痛、肠鸣音减弱或消失。
Optical Penetration Depths and Light Attenuation Characteristics of Normal and Adenomatous Human Colon Tissue in Vitro
人结肠及结肠腺癌组织的光学穿透深度和光衰减特性
The temperature and velocity of the engine exhaust gas have significant influences on the acoustic attenuation performance of mufflers.
气流速度和温度对消声器的声学性能有很大影响。
Numerical Calculation and Analysis of Acoustic Attenuation Performance and Flow Resistance Characteristics of Concentric Reactive Silencers
同轴抗性消声器声学和阻力特性的数值计算与分析
The activity along Qujiang fault after the event is featuring an index attenuation, which is similar to the aftershock attenuation regulation.
曲江断裂的震后活动呈指数衰减，和余震衰减规律相似。
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