Diary of Raising a Family, I Relied on Modern Technology to Make a Fortune in My 60S

In 1966, the college entrance examination was cancelled, leaving Lin Mian with nowhere to put his ambitions. The best grandma bullied her family for having no sons, and forced her parents to marry her off for money. The famine had just passed, and the family was destitute, and the family was forced into a desperate situation. When she was desperate, she accidentally traveled to the 21st century. She saved her first money by distributing flyers, brought back supplies to solve her family's difficulties, and slapped her best relatives in the face. Seeing the prosperity of later generations, she was no longer satisfied with reselling supplies, and plunged into modern libraries and laboratories, studying cutting-edge knowledge such as mathematics, physics, chemistry, machinery, agriculture and military industry, and received guidance from top professors. Bringing advanced technology back to the 1960s, from overcoming mechanical and electrical problems to help local industries get started, to studying military research and technology to build a strong national defense line. Lin Mian has grown from a despised country girl to a big boss in aerospace research. ——— There is a male protagonist, but he appears a little late!