Abstract: I welcome you to the fourth issue of the IEEE Communications Surveys and Tutorials in 2021. This issue includes 23 papers covering different aspects of communication networks. In particular, ...

The Alpine Garden, once a village dumpsite, was transformed as a model for habitat restoration, outdoor environment education and indigenous culture promotion in Yunnan multi-tribal region. In the ...

Trimble has introduced SketchUp AI, a suite of AI tools designed to help simplify modelling, visualisation and learning in SketchUp. Features include AI rendering, 3D geometry creation, and a Help ...

This repository offers a complete collection of official resources, detailed guides, and comprehensive reference materials for SketchUp Pro on Windows PCs, supporting efficient learning and usage ...