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Ultrasound is a mechanical wave with an extremely short wavelength. It has the characteristics of high frequency, short wavelength, and small diffraction phenomenon. It can propagate directionally and being reflectet when it encounters obstacles. In nature, bats judge and avoid obstacles by emitting
+On November 20th, the World Cup 2022 began in Qatar. As the host,Qatar put on a wonderful and technological opening ceremony for the world. thousands of UAVs sparkling in the sky, played an impressive aerial show changing a variety of patterns such as the "Hercules Cup, the World Cup Official Emblem
+China is the world's e-bike production and sales of the first big country. In China, the sales of e-bikes are increasing at a rate of about 30 million per year. This shows that electric bicycle travel has become a mainstream travel mode favored by the Chinese public.
+Ultrasound is a mechanical wave with wavelength less than 2cm, which is characterized by high frequency, short wavelength and small diffraction phenomenon. In industrial production, there are more and more applications of ultrasonic ranging. Among them, ultrasonic liquid level measurement technology
+The appearance of intelligent robots in life and medical fields will have great economic benefits. In restaurants, they can achieve zero-error food distribution, while in hospitals, intelligent robots can be used to replace doctors to enter the infected area for drug distribution. In addition
+About 98th China Electronics FairNotice of postponement Dear Customers: According to the current Shanghai’s latest epidemic prevention and control requirements for large-scale events, the "98th China Electronics Fair -- Components & IT Application Expo" will be postponed, and the holding time will b
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