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- Narrow Beam Echo Sounder 窄射束回波探测器
- The beam angle can badly influence the inspection ability of the single beam echo sounder. 波束角会严重影响单波束对海底管道的探测能力。
- single beam echo sounder(SBES) 单波束测深系统
- A device used underwater to produce pulses of sound, as for an echo sounder. 声脉冲发送器置于水下产生声脉冲的装置，如回音器中的装置
- I lit the smoke with a narrow beam of light. 我用一个小光柱点燃了烟。
- He then shines a narrow beam in horizontally through the pinhole. 然后他通过小孔水平地射入一窄光束。
- A thin line or narrow beam of light or other radiant energy. 光线，放射线极细的一条或极窄的一束亮光或其它辐射能
- Inspection installation and water tight transducer of echo sounder on berth. 测深仪的换能器船台安装和水密性检查。
- A device used underwater to produce pulses of sound,as for an echo sounder. 声脉冲发送器置于水下产生声脉冲的装置，如回音器中的装置。
- 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。
- In bathymetric survey, the recorded seabed is distorted due to the beam-width of the echo sounder. 摘要在海底地形测量中，由于波束角效应导致探测的海底地形存在失真。
- A high-power laser beam colliding with a high-energy electron beam produces a narrow beam of gamma rays. 高功率雷射束与高能电子束相碰时，会产生一束极窄的伽玛射线。
- The emphasis in this paper was corner reflector antenna with high-gain, narrow beam and low side-lobe. 选用方向性好、增益高、旁瓣低的角形反射器天线作为本论文的研究重点。
- The rest of the Wilkins Ice Shelf, which totals about 14,500 square kilometers, is holding on by a narrow beam of thin ice. 总面积约在14500平方公里的威尔金斯冰架的其他部分正在支撑着一条狭长的薄冰。
- The occurrence and development of GPS RTK technology with digital echo sounder creates a foundation for digital automated waterway dredging engineering quality inspection. 摘要全球定位系统RTK技术和数字测深集成技术的出现和发展，为航道疏浚工程质量检验的数字化自动化提供了基础。
- The narrow beams of sound advertise sale items at the store or restaurant and feature promotional material. 这个狭窄的声音柱在商场或餐馆做广告销售商品并播放促销内容。
- Chapter 3 obtains the retrieval of parameters of wind above sea surface and ocean wave spectra from simulated narrow beam HF radar backscatter, gives the simulate results. 第三章通过数值模拟的窄波束高频(HF)雷达的海面回波多普勒谱，反演了海面风场、浪高谱等海态参数，并详细介绍了反演的方法、步骤，给出了模拟结果。
- The wall can optimally absorb the echoing sound. 这墙能极有效地吸收回声。
- Function test of echo sounder. 测深仪效用试验。
- 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。
