短語(yǔ)詞組短語(yǔ)LINE -SEGMENT PROPERITIES 線段的性質(zhì)line -segment function generator 線段函數(shù)發(fā)生器Disk and horizontal line -segment filters 磐狀和水平線段過(guò)濾器micro -line segment 微小直線段 返回 line segment