microseism
英
美
n. 微震；脉动
英英释义
noun
- a small earthquake
双语例句
- Variations in microseism before and after the Tangshan earthquake
唐山地震前后脉动变化的研究 - 4-D microseism ( or the 3-D characteristics changing with time) monitors geological hazard efficiently, such as landslide and collapse, with an automatic, continuous and long term system.
地微震四维观测即空间三向振动特性随时间的变化，以自动长期连续观测系统有效监测滑坡、崩塌等地质灾害； - 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 - Microseismic monitoring technique is a new geophysical technology, which originates from 1990s. Through monitoring microseism incident of the mine, we can find portent of geological hazard in time, and take measures to avoid casualty.
微震监测技术是一种新的物探技术，起源于20世纪90年代。通过监测矿井微震事件的发生可以及时发现地质灾害事故的前兆，并及时采取有效措施，避免灾害事故发生。 - 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。 - First theories foundation of microseism is introduced, it is pointed out that microseism wave is made of P waveform and rayleigh wave.
本文首先介绍了地脉动的理论基础，指出地脉动波是由面波和体波组成的。 - Study on Mechanism of Vibration Frequency of Free Site in Microseism Test
地脉动测试自由场地自振周期的机理研究 - The microseism source excitation model and the relation between the magnitude and vibration cycle
微震振源激振模型及振动周期与震级的关系 - 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。 - The Design and Implementation of Microseism Measurement Based on Optical Fiber Resonance
利用光纤共振技术测微振动的设计与实现