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	A-OK A-okay Aona AONB AOR Aoraki/Mount Cook aorist aoristic a (or one) hell of a —— a (or one) hundred per cent a (or one's) bounden duty aorta a (or that) sinking feeling a (or the) deuce of a —— a (or the) grand old man of a (or the) picture of —— wrap party wrapped wrapper wrapper application wrapping wrapping paper wrap someone in cotton wool wrap someone up wrap something up

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