Introduction https://youtu.be/9cKAqoh1d8A Connaissez-vous les écrans LED à film ? Il s'agit d'un type d'affichage LED transparent. Technologie d'affichage émergente, les écrans LED à film

Introduction https://youtu.be/vDfG4q9Dg8M Étant l'un des principaux lieux de consommation, les centres commerciaux sont presque tous confrontés au problème de savoir comment attirer efficacement

Introduction With the influence of the global greenhouse effect, the summers in many countries are very hot. Especially in some cities in Africa close to

Introduction In this colourful world, LED screens are everywhere. They decorate our cities with brilliant light and clear pictures and convey various information. But have

Introduction From bustling commercial districts to lively stadiums, from busy transportation hubs to iconic landmarks, Jumbotron screens are everywhere and have become a beautiful landscape

Introduction https://youtu.be/9-E1X2qqTYQ With the development of technology, children’s playgrounds have become more and more technological. The games that children like to play are no longer