单词	microseism
释义	microseism /ˈmʌɪkrəʊˌsʌɪz(ə)m / noun Geology A very small earthquake, less than 2 on the Richter scale.The microseisms are located and the data is used to create maps of the hydraulic fracture geometry.... Collectively, these ocean microseisms have an annual cumulative seismic energy comparable to that generated from earthquakes, said Kedar. Scientists believed that microseisms are generated when the large ocean waves of hurricanes interfere or strike a coastline. Derivatives microseismic /ˌmʌɪkrəʊˈsʌɪzmɪk / adjective ... Corrections have to be made for such things as the frictional and buoyancy effects of the residual gases in the chamber, and for microseismic activity, which accelerates the entire instrument. When waves hit the shores of North America, all over the edges of the continent, they collectively produce a low reverberation roughly every six seconds, a microseismic growl that peaks at 0.16 hertz. These microseismic events are recorded on surface using the Paladin data acquisition system.
随便看	critical path critical path analysis critical period critical point critical pressure critical state critical temperature critical theory critical thinking critical volume criticaster criticise criticism criticizable criticize criticizer critique critter CRM croak croaker croakily croaky Croat Croatia

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