echo sounder
回声测深仪：一种用声波测定水体深度或水下物体深度的仪器。
常用释义
英式发音
美式发音
基本释义
- 回声测深仪：一种用声波测定水体深度或水下物体深度的仪器。
例句
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1·Use echo sounder frequently when passing shallow water.通过浅水域时，要常用回声仪测深。
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2·A device used underwater to produce pulses of sound, as for an echo sounder.特殊设计的专用降噪消声装置的采用，极大的抑制了机械噪声。
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3·Inspection installation and water tightness transducer of echo sounder on berth.测深仪换能器船台安装和水密性检查。
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4·The echo sounder is now gradually out of use in navigation, because it has many errors.回声测深仪在导航仪器中的地位在下降，其原因是它存在着较多的误差。
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5·In bathymetric survey, the record seabed image is distorted due to the angular beam width of an echo sounder.在海洋测深过程中，回声测深仪波束角效应使记录的测深图像失真。
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6·When passing One Fathom Bank, check the depth and variable sand waves below the sea level all the time by echo sounder.通过一托浅滩时，要一直测深校时水深及海面下多变的沙纹。
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7·Multi-Beam Echo Sounder is an absolutely necessary seafloor mapping device with high accuracy and high efficient at 21st century. It is much fitted to sweep mapping for wide area.多波束测深仪是高精度、高效率的地形测绘设备，适合大面积的扫海测量作业，是21世纪水下地形测量必不可少的测绘仪器。
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8·Echo Sounder is a kind of acoustic measuring depth equipment, which can measure depth with the time between transmitted wave and echo on condition in which the speed of ultrasonic is fixed.回声测深仪是用来测量水深的一种声学测量设备，其以水中超声波的传播速度为确定条件，利用发射波与反射回波时间差来测量水深。
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9·The Parktronic system operates on the echo-sounder principle.驻车定位系统根据回波发声器原理工作。
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10·The record seabed image distorted due to the angular beam-width of echo-sounder in bathymetric, especially for gibbous terrain.在海洋测深中，由于回声测深仪波束角效应的影响，对凸形海底的测量会带来较大的失真。