High gold content. Freescale Smart Car Competition is a discipline competition recognized by the Ministry of Education, and it is a discipline competition with high gold content. Now the competition is changed to NXP Smart Car Competition. First, organize the provincial competition. Before the provincial competition, the top three can participate in the national finals, and they are divided into photoelectric group and navigation group for smart car path planning and functional testing. The contest is more influential in colleges and universities across the country. Gold content refers to the gold content of precious metals such as gold jewelry, gold bars, bricks, platinum and palladium.