1)rough finish,粗糙装饰;(纸板)粗压光2)rough finish,粗糙装饰，(纸板)粗压光3)paper roughness,纸粗糙度4)raw paper,粗糙纸5)coarse and reflected light,粗糙反光6)optically roughness,光学粗糙
用法例句
A novel method of the paper roughness measurement using airborne ultrasound is given,and mathematic model of the relation between the paper roughness and ultrasonic echo output voltage is established.
