半色圈 (Radial Halftone) 半色圈 (Half Tone Dots) 平面半色點 (Graphic Digital Technology Texture) 斑點半色圈(Diplicking Perforated Abstract Vector Radiating Elements)半色圓圈 (Diplining Radiant Circles) 色圓圈(Diflenting Gradient Circles)色圓圓圈(