漫反射面 meaning in English

diffuse surface

Fvisar ( fiber velocity interferometer system for any reflector ) which is made up of fiber can measure the velocity for any reflector without touching . it is widely used in the velocity measurement , especially in the field of material impact characteristics researching
全光纤速度干涉系统( fibervelocityinterferometersystemforanyreflector : fvisar )是一种以光纤为框架、非接触测量任意漫反射面速度的干涉仪。