Smart property management , promote smart community construction

The upstream of the solar industry chain includes crystalline silicon material, silicon rod, silicon ingot, silicon slice, the midstream includes solar cell production, PV module production, and the downstream includes the installation and service of photovoltaic systems and application products. Avoiding product defects is an important part of product assurance in mass ...

Abstract The subway is an important part of the urban rail transit system. More than 120 million people take the subway to commute every day. To ensure the safety and efficiency of railway systems, a variety of advanced transportation system technologies, such as PIS passenger information system, are being widely deployed. The subway arrival announcements, the running ...

On February 4, 2022, a world-renowned sports event - the 24th Winter Olympic Games will kick off in Beijing! "High-tech Winter Olympics" is a highlight of this Winter Olympics. Autonomous driving is one of the most eye-catching sectors, L4-level unmanned ferry, autonomous parking, unmanned distribution and other intelligent vehicle services are applied to the Olympic sce...