Modern society animals accidentally obtain a "learning aid" that can quickly acquire knowledge and skills, but after an accident, they travel to the courtyard house of Peking in 1945. At that time, the country was in turmoil and everything was in ruins. When the familiar fireworks of the courtyard intertwined with the heavy mission of the times, the protagonist was surprised to find that the auxiliary device that changed his destiny actually traveled with him across time and space.
There is no arrogance of golden fingers to open up new territories, only sincerity with knowledge as the edge and technology as the shield. With the help of the aid, he studied hard day and night, from solid foundation to mastery, and easily opened the door to top universities. He amazed teachers and students with his advanced insights in the classroom, and used innovative ideas to solve problems in the laboratory. He not only gained the trust of his classmates and close friends, but also won the love of like-minded students.
After graduation, he resolutely took up the responsibility in the face of the country's backwardness in military industry, machinery, metallurgy, electric power, chemical industry and other fields. In the field of military industry, he quickly mastered advanced weapons research and development technology, improved equipment performance, and built a solid line of defense for the national defense industry; in the machinery industry, he transformed equipment according to production pain points, developed new machinery, and achieved a qualitative leap in industrial production efficiency; in metallurgy, he overcame complex mineral utilization problems and innovated The smelting process produces high-quality steel and rare metals that meet the country's urgent needs; in the electric power revolution, he studies clean power generation and low-loss power transmission technology to let light illuminate more barren places; in the exploration of chemical industry, he breaks the foreign technology blockade, develops new materials and processes, and opens up a new track for the chemical industry.
When did food stamps become available in 1945?