BEIJING, May 15 (Xinhua) -- The following is a summary of published science and technology news of China.

ADVANCED RADAR

A number of advanced Chinese radar systems have been set up at Beijing Daxing International Airport, offering faster and more accurate weather forecasts.

One is a millimeter-wave cloud radar. It is capable of monitoring clouds, fog, snow and drizzle within 60 km of the airport and obtaining weather data.

WEATHER FORECASTING

China will conduct enhanced weather research and forecasting to support the 2022 Beijing Winter Olympic and Paralympic Games.

The meteorological departments will build 3D small-scale observation and data analysis systems, and construct accurate 3D meteorological field models for mountain sports.

AI RESEARCH

Tsinghua University has announced it will step up basic research on third-generation AI, in the hope of building trust and preventing abuse and malicious behavior of AI models.

IMPERVIOUS SURFACE

Chinese researchers depicted the impervious surface area and green space of global cities, using multi-source remote sensing data.

African cities have 70 percent, the largest proportion of impervious surfaces in their built-up areas, followed by the cities of South America, Oceania, Asia, North America and Europe. Enditem