单道数字地震仪
single-channel digital exploration seismograph
分布式遥测型数字地震仪
distributed computer-control SDAS
海洋数字地震仪
marine digital seismic apparatus
数字地震仪
digital seismographs
digital seismometer
Digital seismic instrument
digital seismic recorder
digital seismograph
Carrier acquisition and tracking
Carrier accessory
数字地震仪传递函数
Transfer function by digital seismograph
数字化地震观测技术
the digital seismic observation technique
数字化地震观测资料
Digital seismic observational data
数字化地震前兆数据
Digital earthquake precursor data
数字-数字数据变换器
digital-to-digital data converter
遥测数字地震仪
Telemetry digital seismometer
3分向数字地震记录
components digital seismic record
带正负号数字数字系统
signed digit number system
地震数字处理系统
seismic digital processing system
地震数字放大器
seismic digital amplifier