The modern creative communication and internet network connect in smart city . Concept of 5G wireless digital connection and internet of things future.
ID: 1784201888
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- 大图:3500 × 1747 像素·29.63 cm × 14.79 cm·300dpi·JPG
- 中图:1000 × 499 像素·35.28 cm × 17.6 cm·72dpi·JPG
- 小图:500 × 250 像素·17.64 cm × 8.82 cm·72dpi·JPG