Home appliances "old trade" but talk about it

The cooling down of the storm caused the cold winter in Jincheng to come, and the air-conditioning market ushered in the peak season of anti-season sales. Home appliance giants launched “new trade” and “appliance upgrades” activities, often offering thousands of yua-----

The ideal and reality of self-driving cars

Introduction: The original concept of the autonomous driving concept is to help prevent human-induced traffic accidents, free people from mechanical driving time, and reduce carbon dioxide emissions. This article refers to the address: http:// Beginning with the first car built by the German Ka-----