短周期地震仪 短周期地震计

short-period seismograph  detail>>

短周期地震计

displacement meter short period seismometer short-period seismograph short-periodseis...  detail>>

短周期地震仪

short-period seismograph  detail>>

位移计，短周期地震计

displacement meter  detail>>

短周期地震记录仪

short period seismograph  detail>>

长周期地震计

long-period seismometer  detail>>

长周期地震仪

long period seismograph long-period seismograph  detail>>

中周期地震仪

intermediate-period seismograph  detail>>

超长周期地震仪

ultra-long-period seismograph  detail>>

短周期垂直分向地震仪

short-period vertical component seismograph  detail>>

电子立式长周期地震仪

electronic vertical long-period seismometer  detail>>

长周期地震波

long-period seismic wave  detail>>

定期地；周期地

periodically ad. at regular intervals  detail>>

短周期

short cycle; minor-cycle  detail>>

周期地

periodically  detail>>

宁静期地震

silent earthquake  detail>>

稳定期地震

silent earthquake  detail>>

第一短周期

first short period  detail>>