Medical science research and development concept - Doctor holding tablet computer with scientific instrument microscope and chemical test tube in lab background.
ID: 718527607
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- 大图:7227 × 4818 像素·61.19 cm × 40.79 cm·300dpi·JPG
- 中图:1000 × 667 像素·35.28 cm × 23.53 cm·72dpi·JPG
- 小图:500 × 333 像素·17.64 cm × 11.75 cm·72dpi·JPG