... , *1.2 , *1.5 , *1.8 , *2.0 six modes; And ascensionLocal zoom: 2 times local zoom in real timeDynamic range ... : distansce, circumference/acreage, HR, pregnancy week (BPD, GS, CRL, FL, AC) and calculating fetus weight, etcAnnotation: Chinese/English interface transition;hospital name ...