... , B/B, 4B, B+M, This Ultrasonic diagnostic instrument (hereinafter refers to as instrument) adopts 3.5MHz electronic convex array probes and introduces ... correlation, the frame correlation, and the linear interpolation, etc.The instrument has such four display modes as B, B/B, 4B ... be used in the routine examination of the heart.The instrument has a large 256 images memory and may supply the ...