global introduction of industry 4.0 in production. improvement of mobile communications up to 5 g. future technologies in modern society are already like everyday life
ID: 1540535279
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- 大图:3813 × 2593 像素·32.28 cm × 21.95 cm·300dpi·JPG
- 中图:1000 × 680 像素·35.28 cm × 23.99 cm·72dpi·JPG
- 小图:500 × 340 像素·17.64 cm × 11.99 cm·72dpi·JPG