Industrial genius Zhong Bai accidentally came to 1981... In this year, the French TGV train broke the world record at 380.4km/h, becoming the fastest wheel-rail passenger train in the world at that time; this year, IBM launched the first personal computer , ushered in a new era of computers; this year, F117 took off for the first time, and entered the annals of stealth aircraft; As, lead the motherland into the era of great power manufacturing!