How is virtual reality surgery performed?
A.It is performed by a computer-designed high precision device.
B.Surgeons wear virtual reality helmets to receive feedback provided by a computer.
C.Surgeons move robotic instruments by means of a computer linked to them.
D.A 3-D image records the movements of the surgeons during the operation.
第2题
A.BMl≥23kg/m2
B. BMI≥30kg/m2
C. BMI≥25kg/m2
D. BMI≥28kg/m2
E. 男性腰围≥85cm,女性腰围≥80cm
第3题
A、BMI<18.5
B、25C、BMI≥25
D、BMI≥24
E、BMI≥28
第4题
A、BMI<18.5
B、25C、BMI≥25
D、BMI≥24
E、BMI≥28
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