illustration of physics Isaac Newton's discovery of gravity The apple fell to the earth by gravity Universal Law of Gravitation Sir Isaac's Most Excellent Idea Law of Gravitation
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- 大图:4200 × 3800 像素·35.56 cm × 32.17 cm·300dpi·JPG
- 中图:1000 × 905 像素·35.28 cm × 31.93 cm·72dpi·JPG
- 小图:500 × 453 像素·17.64 cm × 15.98 cm·72dpi·JPG