Development of China Digital Seismological Observational Systems

摘要

Development of China Digital Seismological Observational Systems during 1996～2000 and the Capital Circle Area Seismograph Network during 1999～2001 are introduced, and the station distributions, instruments used, main tasks of National Digital Seismograph Network, Regional Digital Seismograph Network and Portable Digital Seismograph Network are introduced chiefly.