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To meet the requirements of large amount of data and continuous acquition in seismic exploration, a seismic data acquisition system based on PICMG2.16 is designed.Synchronous control and high-speed data acquisition is realized with star synchronization network and high-speed differential signal. such as single create can support 24 cable seismic data acquisition; By the star synchronous control and special data processing, the continuous acquisition of seismic data is realized.The designs of architecture、hardware and synchronization ,and the implementation of continuous acquition in seismic exploration are introduced.The results of testing with underwater system show that it can meet the requirements of synchronization , high-speed data acquisition and processing in marine seismic exploration.