Business man hiold use press infographic icon of community technology digital.Concept of hi tech and big data. Global connection.IoT Internet of Things . ICT Information Communication Network
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- 大图:8000 × 3712 像素·67.73 cm × 31.43 cm·300dpi·JPG
- 中图:1000 × 464 像素·35.28 cm × 16.37 cm·72dpi·JPG
- 小图:500 × 232 像素·17.64 cm × 8.18 cm·72dpi·JPG