propagations
英 [ˌprɒpəˈgeɪʃənz]
美 [ˌprɑpəˈgeɪʃənz]
n. 传播; 扩展; 宣传; 培养
propagation的复数
双语例句
- Propagations of Singularities in a Parabolic System with Coupled Nonlocal Sources
具有耦合的非局部源的抛物系统的奇性传播问题 - The results show that the stress wave propagations in such gradient structures are very complex. The elastic and viscoplastic waves are coupled together and the amplitude of reflected tension wave and the unloading wave have very close relation with the gradient distribution of the composition.
结果显示，在这种功能梯度装甲板中，应力波的传播非常复杂，弹性和粘塑性波耦合在一起，反射拉伸波和卸载波的大小依赖于组份成分沿厚度的分布； - Several characteristics of wireless communications fading channel and various effects of radio propagations are analyzed in detail.
论文首先分析了无线衰落信道特性，详细讨论了移动无线信道的各种传播特性，其中移动无线信道的小尺度衰落是讨论的重点，也讨论了多普勒频移对传输信号的影响。 - The number of propagations in progress.
正在进行的传播数目。 - Experiments show that the flexibility coefficient which represents the characterization of discontinuity interfaces has an influence on elastic wave propagations.
实验表明，表征不连续界面性质的柔度系数对弹性波传播的影响较大。 - Then the paper demonstrates the clustering phenomenon and the characteristics of clusters, the statistical properties of amplitudes of multipath components, the frequency dependence of the channel parameters, and the distortion of pulse signals during their propagations in pulse channels in detail.
分别对脉冲信道的成簇现象和成簇特性，多径分量的幅度统计特性，信道参数的频率依赖特性，以及脉冲信号波形在无线信道传播过程中的失真等问题的研究内容及其最新进展进行详细介绍。 - Comparison of propagations between the two message flows
两个消息流之间的传播比较 - For reducing the error propagations among scanning lines, the transmission data are used for rectifying the scattering reconstruction.
为了减小误差在不同扫描行之间的传播，利用透射数据对重建结果进行校正。 - In this paper, dynamic propagations of some typical combined cracks in the physics of earthquake focus are studied by means of dynamic photoelasticity.
本文用动态光弹性方法对震源物理中几种典型组合裂纹的动态扩展过程进行了研究。 - By studying the ultrasonic propagations between dense medium and sparse medium, as well as ultrasonic irradiation induced by resonance, the surface vibration states of ultrasonic transducer used in the experiment of ultrasonic speed measurement are discussed.
从超声波在波密介质和波疏介质之间的传播以及诱发共振发射超声波的角度，讨论了空气中超声声速测量实验所用超声换能器的表面振动状态。