Meanwhile the lengthy cables used to tether craft to surface ships are simply too weak and unwieldy to support themselves plus a vehicle exploring broad swaths of the seafloor.

• 此外，用以连结探测器和母船的细长缆绳往往过于脆弱又笨重无比，难以同时承受自己和在广阔海底漫游探勘的探测船的重量。