Review of the history of Sihai science and technology
No matter whether you are male or female, or after 70 or 80, there must be some technology products in your memory, because in those years, technology began to explode. A CD player and a GBA are often the whole of our youth. Today, the review of the history of science and technology in the world will send us nine pictures of science and technology products that we are most familiar with, so that we can find the lost youth in our memories.