1. Land reform: In the early days of the founding of New China, a series of land reforms were carried out, which solved the land problem of farmers and laid the foundation for agricultural production and rural economic development. Economic construction: During the planned economy period, China carried out large-scale infrastructure construction, such as the development of important industries such as steel, coal and oil, which laid the foundation for the country's industrialization and modernization.

2. Education reform: Since the reform and opening up, China has carried out a series of education system reforms, which have improved the national quality and provided strong support for national scientific and technological innovation and personnel training. Scientific and Technological Innovation: China has invested heavily in science and technology, and made a series of important breakthroughs in manned space flight, high-speed railway and 5G communication, demonstrating the country's scientific and technological strength.

3. Opening to the outside world: China actively participated in international economic cooperation and competition, attracted foreign investment, promoted export trade, joined the World Trade Organization and signed free trade agreements, which created favorable conditions for national economic development. System reform: China has carried out a series of profound system reforms, including rural land system reform, state-owned enterprise reform and financial system reform.

The importance of exploration is as follows:

1. Expand the cognitive boundary: exploration enables us to break through the limitations of cognition and understand the diversity and complexity of the world. Through exploration, we can discover new natural laws, cultural traditions and social phenomena, thus enriching our knowledge system. Promoting scientific and technological progress: exploration is the source of scientific and technological innovation. Many important scientific discoveries and technological breakthroughs stem from the exploration of unknown fields.

2. Improve the quality of life: Exploration helps to improve the quality of life of human beings. By exploring the fields of medicine, environmental protection and energy, we can find more effective treatment methods, more environmentally friendly production methods and more sustainable resource utilization methods. Promote cultural exchange: Exploration can promote the exchange and integration between different cultures.

3. Cultivate innovative spirit: Exploration helps to cultivate people's innovative spirit and creativity. In the process of exploration, people need to constantly try new methods and solve new problems, which is helpful to cultivate the quality of daring to challenge and innovate. Enhance national competitiveness: for a country, exploration is the key to enhance national competitiveness.