| 释义 |
echo-sounding 英'ekəʊs'aʊndɪŋ美'ekəʊs'aʊndɪŋ BNC¹⁷³⁹⁹⁵⁺²
基本英英例句
回声测深¹⁰⁰
名词 echo sounding:
determining the location of something by measuring the time it takes for an echo to return from itIt 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。 |