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:5568 × 3064 像素·47.14 cm × 25.94 cm·300dpi·JPG
- 中图:1000 × 550 像素·35.28 cm × 19.4 cm·72dpi·JPG
- 小图:500 × 275 像素·17.64 cm × 9.7 cm·72dpi·JPG