〔phy.〕slight shock;microseism〔名〕地质microseism;microquake微震监测microseismic monitoring
极微震ultra microseism
地震前常发生一连串的微震。A series of tremors often precedes an earthquake.微震计wēizhènjì;tromometer;microseismometer;microseismograph
微震学wēizhènxué;microseismology
微震仪wēizhènyí;high sensitivity seismograph