microseism
英
美
n. 微震；脉动
英英释义
noun
- a small earthquake
双语例句
- Microseism Crack Monitoring Technique in Lun 16-27 Well, Ziyin Oilfield
子寅油田仑16-27井微地震裂缝监测技术 - Theory of Rayleigh wave in multi-layered media and its application in microseism observation
层状介质中的瑞雷面波理论及其在场地脉动观测中的应用 - Variations in microseism before and after the Tangshan earthquake
唐山地震前后脉动变化的研究 - Theoretical analysis and experimental results show that the method has the effect as same as Hall sensor in the event that ensure the DC motor start-up quickly and microseism, and no locked rotor.
理论分析和实验表明：提出的方法与霍尔传感器一样能保证无刷直流电机快速大转矩、小抖动、无堵转的平滑启动。 - High frequency vibrations did occur early in the microseism, and then the frequency was attenuated because of the damping of rock but not by the frequency dispersion of surface waves.
微地震过程中，先产生频率较高的振动，由于岩体阻尼而非面波频散引起振动频率衰减。 - Microseismic monitoring technique has developed to a high technology in recent years. Precise location of microseism incident and the level determination is realized by sound ballistics, seismology and geophysics theory and computer.
微震监测技术是近几年来发展起来的一项高新技术，利用声发射学、地震学和地球物理学原理以及计算机强大的功能来实现微震事件的精确定位和级别大小的确定。 - Microseism source location with hierarchical strategy based on particle swarm optimization
基于粒子群算法的岩体微震源分层定位方法 - The space of the extremum mine microseism is closely connected with the high stress zones.
极值矿山微震发生的空间部位与高应力区密切相关。 - By designing the inner surface curve of the stator, the delivery microseism of pump can be reduced to zero theoretically.
通过合理设计泵内定子内曲线表面，在理论上实现了无流量脉动； - Influencing by the faults, the terrestrial stress size and direction on the plane differs greatly, which can make the outspread direction of the hydraulic fracturing change. Massive monitored results of on-site microseism artificial fracture azimuth has accounted for this point.
但受断层影响的平面地应力大小和方向差异较大，导致水力压裂裂缝的延伸方向有所改变，大量的现场微地震人工裂缝方位监测结果也说明了这一点。