What does space-time companion mean?

0 1 means that my phone number and confirmation number stay together for more than 10 minute in the same space-time grid (the range is 800 m * 800 m), and the cumulative stay time of any number in the last 14 days exceeds 30 hours, and the found number is a space-time companion number. At this time, my green health code will turn into a yellow code with warning nature and be marked as? Time and space? Who?

What does space-time companion mean?

It means that my phone number and confirmation number stay in the same space-time grid (the range is 800 m * 800 m) * * for more than 14 minutes, and the cumulative stay time of any number in recent 14 days exceeds 30 hours, and the found number is a space-time companion number. At this time, my green health code will turn into a yellow code with warning nature and be marked as? Time and space? Who? For example, the infected person has been to a place within 14 days, and the trajectory of you 14 days intersects with him. Whether it is physical brush or communication signal drift, it may be considered as? Time and space companion? .

With the further strengthening of epidemic prevention and control measures, the space and time requirements for contact personnel are getting higher and higher. Chengdu has brought romance to the extreme and created a new term for epidemic prevention? Time and space companion? .

Netizen:? I blew your wind. Is this a hug? I walked the path you walked. Is this a meeting? ?

Epidemic prevention and control: everything is important. Does everything count? .

? Time and space companion? What should I do?

Persons with yellow health code and persons at risk associated with time and space who have received SMS reminders from Chengdu Public Security Bureau and Municipal Center for Disease Control and Prevention should immediately report to the community, and conduct two nucleic acid tests within 3 days, with the interval between the two nucleic acid tests being more than 24 hours. Please stay at home and don't go out until you get a negative result of nucleic acid.

It can be seen from this? Time and space? It is a risk definition based on the comprehensive utilization of big data and various information resources, accurately arranging the trajectories of confirmed cases, and comprehensively combing the people who overlap with confirmed cases.