摘要: A seismic data recording unit. The unit may include a housing and retractable arms coupled to the housing. respective sensor proximate end of arm. arm move from position on or away
Nicolas Goujon, Emmanuel Coste, Qinglin Liu, Jostein Fonneland, Hitoshi Tashiro, Kevin O'Connell, Kazuya Yoshida, Land seismic cable and method ,(2011)