• 1. echo sounding: 回声测深 | 回声探测 | 回波测深 | 回声探测法
• 2. echo sounding machine: 回声测深机 | 回声测深仪 | 回音测深机
• 3. echo-sounding: 回声测深 | 回声探测

更多释义

• 1.Echo sounding devices were early used in making maps of the ocean floor.
  讲的是回声定位仪器最早用于绘制海底地图。很容易找到对应的答案。
  dict.yoduao.com
• 2.Love falls in love with love comes like an echo sounding back searches its mirrored shadow within a look.
  爱与爱彼此相恋，犹如回声在激荡，寻找镜中的影像，在短暂的一瞥中。
  dict.yoduao.com
• 3.Survey standards for multibeam echo sounding will be developed with reference to worldwide specifications.
  探讨先进国家的规范标准以草拟国际适用的多音束测深规范；
  dict.yoduao.com

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