研究了综合曲线的形态、衰减系数大小，平面位置与地质异常体的类型定性关系。
Comprehensive curve pattern, attenuation coefficient and the relationship of plane position and geological abnormity had been conducted.
目的研究凹球面超声换能器的声焦域在高声强和媒质有较大衰减情况下，其形状和几何位置的变化。
Objective the variations of the site and shape of focal region for a concave spherical ultrasound transducer in the case of high sound intensity and stronger attenuation were studied.
噪声衰减断面应选在开阔、高差较小的地方，所处位置地表植被具有代表性。
Noise attenuation section should be in place where is wide, relatively light discrepancy in elevation, and where the earth's surface vegetation of present position is representative.
进一步分析了雷达辐射源位置、星座几何形状和星座的卫星高度对几何精度衰减因子的影响。
Then, the effects of radar beacon position, cluster geometry and satellite altitude on the geometry dilution of precision factor are analyzed.
滤波后信号幅度的衰减比较小，没有像高通数字滤波器滤波后能谱峰的中心位置有明显的向左偏移现象。
The amplitude of signal filtered declined light not liked that the center position of energy spectrum moved to the left obviously used the highpass filter to filter.
注意：那些地面上的定位器的位置能稍后时被调整去配合阴影衰减的散开。
Note: the position of these ground locators can be adjusted later to tweak the falloff of the shadow attenuation.
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。
An acoustic log that USES the attenuation of compressional and shear waves to locate fractures.
属于声波类型的一种测井方法。根据穿过裂缝的声波能量衰减来确定井眼附近岩石中裂缝的位置。
A wireline well log of the sonic type that locates fractures in the rocks adjacent to the wellbore by the attenuation of acoustic energy across the fracture.
一个位置控制精度拘禁旋转输入衰减器每通道。
One position detented rotary control precision input attenuator per channel.
如果音频剪辑（Audio Clip）是一个3D剪辑，音频源是在一个给定的位置，并会随距离衰减这样的方式进行播放。
If the Audio Clip is a 3D clip, the source is played back at a given position and will attenuate over distance.
其它位置上量计的测试曲线亦反映了材料对压剪波传播的动态响应特点，可以看到剪切波的衰减规律。
In the experiments, two-wave construction of compression-shear waves that propagated into the materials were observed clearly, the longitudinal and transv…
其它位置上量计的测试曲线亦反映了材料对压剪波传播的动态响应特点，可以看到剪切波的衰减规律。
In the experiments, two-wave construction of compression-shear waves that propagated into the materials were observed clearly, the longitudinal and transv…
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