Ultrasound inspection in the medical can be application widely. Ultrasound technician use ultrasound waves spread in the human body, through Oscillographic-screen display in various organs and tissues, then the reflection of ultrasound to diagnose diseases. Sonography schools have a good direction, when in the human body communication process, encountered a different density tissues and organs, as reflection, refraction and absorption, and other phenomenon.
Oscillographic displayed on the screen in accordance with the echo of the distance, the number of weak and strong, and the decay is obvious that the body can show some of the activities of organ function. Nowadays there are many ultrasound schools also can accurately identify the presence of liquid or gas in tissues and organs.
&