definition of golden ratio widely used in mathematics arts architecture and design - white chalk on small slate blackboard
ID: 77507800
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- 大图:4687 × 3979 像素·39.68 cm × 33.69 cm·300dpi·JPG
- 中图:1000 × 849 像素·35.28 cm × 29.95 cm·72dpi·JPG
- 小图:500 × 424 像素·17.64 cm × 14.96 cm·72dpi·JPG