1·It's claimed that a round tool cannot produce as dark a stipple as a faceted one, as it's more difficult for light to reflect from a tiny cavity which has flat walls.
它声称，圆工具无法产生与黑面作为一个点画，因为它的光线更加困难，以反映一个小腔具有平坦的墙壁。
2·The paper researches algorithms about halftone, stipple simulation, paint simulation and pen-and-ink simulation which are in the area of Non-Photorealistic Rending.
本文研究了非真实感绘制领域里半调法、点画模拟、油画模拟和钢笔画模拟的相关算法。
3·Also with white flowers Stipple vines lining in the black for the CD.
也是用白色花卉藤蔓点画在黑底为衬的CD上。