echo-sounding

英['ekəʊs'aʊndɪŋ] 美['ekəʊs'aʊndɪŋ]
  • 回声测深
名词 echo sounding:
  1. determining the location of something by measuring the time it takes for an echo to return from it

    1. It also carries out surveys through two specially-designed vessels which are fitted with the latest type of equipment including multi-beam echo sounders.
      该部配备两艘经过特别设计的测量船,船上装有最新类型的设备,包括多波束回声测深仪。