With forty-eight imperial tools, I just want to rely on myself
Happy Valentine's Day ~
On February 14, 1912, the Chinese musician, the national anthem of the People's Republic of China, "The Volunteers of the Volunteers", please sing a few more national anthem in this special day.
On February 14, 1946, the world's first general computer was born in the University of Pennsylvania, please accompany your computer with your computer.