(Awake of October ninth day), November 11, 1994, China developed the world's broadband seismometer. ,

1994 11 11, the Institute of Seismology of the world's most broad-band seismic instruments in my country the successful development of this country, "85" key scientific research through technical appraisal organized by the State Seismological Bureau. The experts believe that this achievement to reach the international advanced level. The named to JCZ-1 ultra-broadband seismometer, high sensitivity, observer coverage from the broad band of high-frequency seismic waves to solid tides. (? V history today?? Com)