sharpenvt.使尖锐;磨快;加剧vi.变尖锐
sharpening spatial filters图像锐化
sharpening of cutting tools刃具研磨
Sharpen ones knife for sB.准备惩罚[攻击]某人
sharpen one's knife for sb.能量慢发散
sharpening by differentiation微分尖锐化
sharpen one's knife for someone准备惩罚某人...
Sharpening effect of the laplacian拉普拉斯锐化