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回顾了矿井槽波地震仪的发展历史及最新成果。介绍了DYSD—Ⅲ型矿井数字地震仪的技术特点、指标及功能。
The development history and the latest achievements of mine slot wave seismograph are reviewed. The technical characteristics, indexes and functions of DYSD-Ⅲ mine digital seismograph are introduced.