下述描述中哪项不是MRI成像仪磁场强度的定义()

A .高场MRI的磁场强度范围≥2.0T

B .高场MRI的磁场强度范围≥1.5T

C .低场MRI的磁场强度0.1～0.38T

D .中场MRI的磁场强度0.3～1.0T

E .极低场磁场强度范围≤0.04T