propagations
英 [ˌprɒpəˈgeɪʃənz]
美 [ˌprɑpəˈgeɪʃənz]
n. 传播; 扩展; 宣传; 培养
propagation的复数
双语例句
- 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。 - Numerical simulations for wave propagations in 2D viscoelastic media
二维粘弹性介质中波动传播数值模拟 - And then several propagations of the Record element
然后是若干次Record元素的传播 - Acoustic emission ( AE) characteristics of the propagations of fatigue cracks in low strength materials are monitored and the relation between AE and crack propagation rate is discussed.
用声发射对低强度材料LD31铝材和A3钢双疲劳裂纹扩展过程进行了监测，得到了声发射参数与裂纹扩展速率的对应关系。 - 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。 - 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； - The light wave is by spaces and facing forward propagations of various materials.
光波是通过空间和各种材料向前传播。 - 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 - 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。 - Comparison of propagations between the two message flows
两个消息流之间的传播比较