Golden Age of Rebirth

A hard-working man from science and engineering worked hard all his life, and when he finally achieved both fame and fortune, he suddenly died at home. When he woke up again, it was 1988 again. Seeing that the college entrance examination was approaching, he found that he had forgotten most of the knowledge he learned in high school. Although his grades in his previous life were seriously partial, he managed to get into a good university. In this life, in order to live up to his parents' expectations, he can only change his destiny by becoming an inventor...