How soon can Beijing mobile phone pop up?

Cannot pop up the window. Beijing, referred to as "Beijing" for short, was called Yanjing and Peiping in ancient times. It is the capital and municipality of People's Republic of China (PRC). According to the query data, Beijing mobile phones will not pop up. Pop-up window refers to a window that will automatically pop up when you open a webpage, software, mobile APP, etc. It won't pop up when you make a phone call. Epidemic control is a very important work in the prevention and control of infectious diseases. Simply put, epidemiological investigation means that the disease control department investigates people who may be infected with the virus.