强震仪 meaning in English

macroseismograph
string motion instrument
strong motion seismograph
strong seismograph
strong-motion instrument,
strong-motion seismograph

Digital magnetic tape record type strong - motion instrument
数字磁带记录强震仪
Analog magnetic tape record type strong - motion instrument
模拟磁带记录强震仪
Galvanometer gecord type strong - motion instrument
电流计记录式强震仪
Principle of sma - 1 seismometer for ground motion and its maintenance
1强震仪原理及特殊故障维修
Pulse duration modulation magnetic tape record type strong - motion instrument
脉冲调宽式磁带记录强震仪

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