ultrasonic wave

简明释义

超声波

英英释义

A type of sound wave that has a frequency higher than the upper limit of human hearing, typically above 20 kHz.

一种频率高于人类听觉上限(通常超过20 kHz)的声波。

例句

1.Aquatic animals use ultrasonic wave (超声波) communication to navigate and find food.

水生动物使用ultrasonic wave (超声波) 交流来导航和寻找食物。

2.The dentist used an ultrasonic wave (超声波) device to clean my teeth more effectively.

牙医使用了一个ultrasonic wave (超声波) 设备来更有效地清洁我的牙齿。

3.The ultrasonic wave (超声波) cleaning process is efficient for removing dirt from delicate items.

这个ultrasonic wave (超声波) 清洗过程对于去除精细物品上的污垢非常有效。

4.In industrial applications, ultrasonic wave (超声波) technology is used for non-destructive testing.

在工业应用中,ultrasonic wave (超声波) 技术用于无损检测。

5.The ultrasonic wave (超声波) sensor can detect objects even in complete darkness.

这个ultrasonic wave (超声波) 传感器可以在完全黑暗中检测物体。

作文

The world around us is filled with various forms of energy, and one of the most fascinating types is the ultrasonic wave (超声波). These waves are sound waves that have a frequency above the audible range for humans, typically above 20 kHz. While we cannot hear them, ultrasonic waves play a crucial role in numerous applications across different fields. From medical imaging to industrial cleaning, their versatility is remarkable.In medicine, ultrasonic waves are widely used in diagnostic imaging, particularly in ultrasound technology. This non-invasive technique allows doctors to visualize internal organs, monitor pregnancies, and even guide surgical procedures. The ability of ultrasonic waves to penetrate soft tissues without causing harm makes them an invaluable tool in modern medicine. For example, during pregnancy, expectant parents can see images of their developing baby through ultrasound scans, providing reassurance and important health information.Beyond healthcare, ultrasonic waves also find applications in industrial settings. They are employed in cleaning delicate items, such as jewelry and electronic components. Ultrasonic cleaners generate high-frequency sound waves that create tiny bubbles in a cleaning solution. When these bubbles collapse, they produce shock waves that dislodge dirt and contaminants from surfaces. This method is highly effective because it can reach intricate details that traditional cleaning methods might miss.Moreover, ultrasonic waves are used in various technological innovations. For instance, they are integral to the functioning of certain types of sensors and distance measuring devices. By emitting ultrasonic waves and measuring the time it takes for the echo to return, these devices can accurately determine distances. This principle is commonly used in robotics and automotive technologies, such as parking sensors that help drivers avoid obstacles.Another exciting application of ultrasonic waves is in pest control. Ultrasonic pest repellents emit sounds at frequencies that are unpleasant for pests like rodents and insects, driving them away without harming them or using chemicals. This environmentally friendly approach to pest control is gaining popularity among homeowners who want to keep their living spaces free from unwanted guests without resorting to toxic substances.Additionally, researchers are exploring the potential of ultrasonic waves in therapeutic applications. Studies have shown that these waves can promote tissue healing and regeneration. By applying ultrasonic waves to injured areas, scientists believe they can accelerate the healing process, making this a promising area of research in physical therapy and rehabilitation.In conclusion, ultrasonic waves (超声波) are a powerful and versatile phenomenon that impacts various aspects of our lives. From enhancing medical diagnostics to improving industrial processes and even contributing to environmental sustainability, the applications of ultrasonic waves are vast and continually expanding. As technology advances, we can expect to see even more innovative uses for these intriguing sound waves, further demonstrating the importance of understanding and harnessing their potential.

相关单词

ultrasonic

ultrasonic详解:怎么读、什么意思、用法