| 释义 |
echo sounding ˈekəuˈsaundiŋ
基本英英近义反义例句
回声探测,回声测深,回波测深
Noun:
determining the location of something by measuring the time it takes for an echo to return from it近义词 echolocation回声定位法
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。 |