驗證網址www.encyclopedia.com安全性

ultrasound Facts, information, pictures | Encyclopedia.com articles about ultrasound

ultrasound or sonography, in medicine, technique that uses sound waves to study and treat hard-to-reach body areas. In scanning with... ... ultrasonography (sonography) (ultră-sonn-og-răfi) n. the use of ultrasound to produce images of structures in the h...

網址安全性掃描由 google 提供