| 摘要 |
A seismic sensitive cable and a seismic sensitive ribbon for detecting introducers over long lines has a plurality of miniature geophones each having three conductors extending therefrom, three lines connecting the conductors of the geophones in parallel with one another, an elastic sheath covering the lines and extending in a predetermined direction, a plurality of substantially hard cases each covering a respective one of the miniature geophones, wherein the elastic sheath connects the hard cases with one another.
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