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第l期地震勘探仪器的观状‘j发展……………………………………………………………………………j相 赣(1)一叮控震源于J捕信号没汁I}1一螳M题的彭虑……………………………………………………………陶知非r L)’SN388 im0试原j‘杜………………………………………………………?
The first phase of the seismic prospecting equipment ’j development ................................................................................................................................. The source of the signal in J Catch no juice I} 1 Mantran thought a question Mnt ..................................................... Tao Tae non-r L) ’SN388 im0 test The original j ’du ...............................................................?