以水下超声波测量仪上导流罩零件为研究对象，探讨逆向工程在产品开发中的应用。
With the study of the dome part of submarine ultrasonic wave measuring instrument, the application of reverse engineering in product design is discussed.
但与人耳可听见的声音相比，鲸鱼更‘擅长’用超声波交流，尤其是在水下。
But whales communicate better through ultrasonic sounds than through human-audible sounds, especially underwater, "he explained."
利用超声波检测液位、料位、厚度和探测水下地形是一种准确、经济的方法。
It is an accurate and economic way to use ultrasonic to measure liquid level, material level and thickness and topography under water.
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