ultrasonic

简明释义

英[ˌʌltrəˈsɒnɪk]美[ˌʌltrəˈsɑːnɪk]

adj. [声] 超声的；超音速的

n. 超声波

英英释义

单词用法

同义词

反义词

例句

1.Picture shows how the glove with an ultrasonic sensor works according to the passage.

根据文章所说，图片显示了带超声波传感器的手套是如何工作的。

2.Objective To discuss the limitation of ultrasonic detection on prevenception utensil.

目的探讨超声在宫内节育器观察上的局限性。

3.Of the use of advanced ultrasonic humidification humidification system.

加湿系统采用先进的超声波加湿。

4.What are ultrasonic sounds?

什么是超声波？

5.The mantid ear -- a single slit -- is sensitive to the ultrasonic "pings" emitted by hunting bats.

螳螂的耳朵只有一条裂缝，对于蝙蝠发出的超声波非常敏感。

6.Emphasizes on how to design the hardware of the ultrasonic navigation system.

重点阐述了超声波定位导航系统的硬件设计。

7.Ultrasonic energy is mechanical in nature and works at much lower temperatures.

超声波能量的机械性质，可在很低的温度下工作。

8.And the widespread use of ultrasonic scanning means that, increasingly often, twins are spotted in early scans and subsequently vanish.

随着超声波扫描的广泛使用，人们越来越多地发现这样的情况：妊娠早期扫描发现了孪生胎，后来却消失了。

9.The ultrasonic 超声波 pest repellent emits sound waves that are inaudible to humans.

这种超声波驱虫器发出人类听不见的声音波。

10.Researchers are exploring the use of ultrasonic 超声波 waves for non-destructive testing of materials.

研究人员正在探索使用超声波进行材料无损检测。

11.An ultrasonic 超声波 humidifier can help maintain optimal humidity levels in your home.

一种超声波加湿器可以帮助维持您家中的最佳湿度水平。

12.The dentist used an ultrasonic 超声波 scaler to remove plaque from my teeth.

牙医使用一种超声波清洁器来去除我牙齿上的牙垢。

13.Many modern washing machines have an ultrasonic 超声波 feature for cleaning delicate fabrics.

许多现代洗衣机都有一种超声波功能，用于清洗细致的面料。

作文

Ultrasonic technology has become increasingly important in various fields, ranging from medical applications to industrial uses. The term ultrasonic refers to sound waves that have a frequency higher than the upper audible limit of human hearing, which is typically around 20 kHz. This unique characteristic makes ultrasonic waves particularly useful for applications where traditional sound waves may not be effective. For instance, in the medical field, ultrasonic imaging, or ultrasound, is widely used for prenatal scanning. It allows doctors to visualize the development of a fetus without any harmful effects, making it a safe and non-invasive procedure. The ability of ultrasonic waves to penetrate soft tissues while reflecting off denser structures provides clear images that are crucial for monitoring both maternal and fetal health.In addition to medicine, ultrasonic technology is also utilized in cleaning processes. Ultrasonic cleaners use high-frequency sound waves to agitate a fluid, creating cavitation bubbles that implode and produce a scrubbing action. This method is highly effective for cleaning delicate items such as jewelry, lenses, and electronic components, as it can reach into tiny crevices that traditional cleaning methods might miss. The ultrasonic cleaning process is not only efficient but also environmentally friendly, as it often requires fewer harsh chemicals.Moreover, the industrial sector benefits significantly from ultrasonic technology. For example, ultrasonic sensors are commonly used in manufacturing to detect the presence of objects, measure distances, and monitor material levels. These sensors operate by emitting ultrasonic waves and measuring the time it takes for the echo to return after bouncing off an object. Their accuracy and reliability make them invaluable in automated systems, where precise measurements are critical.Another fascinating application of ultrasonic technology is in pest control. Some devices emit ultrasonic frequencies that are unpleasant to pests like rodents and insects, effectively driving them away without harming them or using toxic substances. This method is gaining popularity among those seeking eco-friendly pest control solutions.The future of ultrasonic technology looks promising, with ongoing research exploring its potential in various innovative applications. For instance, scientists are investigating the use of ultrasonic waves for targeted drug delivery systems, where ultrasonic energy could help transport medications directly to specific tissues in the body. Such advancements could revolutionize treatment methods for various diseases.In conclusion, the versatility of ultrasonic technology is evident across multiple domains, including healthcare, cleaning, manufacturing, and pest control. Its unique properties enable solutions that are efficient, safe, and environmentally friendly. As research continues to uncover new applications, the impact of ultrasonic technology on our daily lives will likely expand even further, offering exciting possibilities for the future.

超声波技术在各个领域变得越来越重要，从医疗应用到工业用途。术语超声波指的是频率高于人类听觉上限（通常约为20 kHz）的声波。这一独特特性使得超声波在传统声波可能无效的应用中尤为有用。例如，在医学领域，超声波成像或超声检查被广泛用于产前扫描。它允许医生在没有任何有害影响的情况下可视化胎儿的发展，使其成为一种安全和无创的程序。超声波能够穿透软组织，同时从更密集的结构反射，提供清晰的图像，这对监测母婴健康至关重要。除了医学，超声波技术还被用于清洁过程。超声波清洁器使用高频声波激发液体，产生空化气泡，气泡的爆炸产生清洗作用。这种方法对清洁珠宝、镜头和电子元件等精细物品非常有效，因为它可以深入到传统清洁方法可能遗漏的微小缝隙中。超声波清洁过程不仅高效，而且环保，因为它通常需要更少的强力化学品。此外，工业部门也大大受益于超声波技术。例如，超声波传感器在制造业中被广泛用于检测物体的存在、测量距离和监测材料水平。这些传感器通过发出超声波并测量回声返回所需的时间来工作。它们的准确性和可靠性使其在自动化系统中不可或缺，在这些系统中，精确的测量至关重要。超声波技术的另一个迷人应用是在害虫控制中。一些设备发出超声波频率，对如啮齿动物和昆虫等害虫造成不适，有效地将它们驱赶，而不会伤害它们或使用有毒物质。这种方法在寻求环保害虫控制解决方案的人群中越来越受欢迎。超声波技术的未来看起来充满希望，持续的研究正在探索其在各种创新应用中的潜力。例如，科学家们正在研究利用超声波进行靶向药物输送系统，其中超声波能量可以帮助将药物直接运输到身体特定组织。这种进展可能会彻底改变各种疾病的治疗方法。总之，超声波技术在医疗、清洁、制造和害虫控制等多个领域的多功能性显而易见。其独特的属性能够提供高效、安全和环保的解决方案。随着研究继续揭示新的应用，超声波技术对我们日常生活的影响可能会进一步扩大，为未来提供令人兴奋的可能性。