1, enjoy teaching and learning. Digital campus applications provide software applications including classroom space, online exams, learning situation analysis and fun learning to help parents better help their children learn and grow.

2. Understand and think about online schools. With the goal of "cultivating ability to make every child have a better life", we will help every child "set up a lofty ideal to change the world and develop interest into the core ability to pursue a better life based on the future society".

3. Netease Cloud Classroom. Online classroom for education and teaching.

4. The main road. The courses and services provided cover undergraduate and adult education, quality education, vocational education and digital products, providing users with one-stop lifelong learning services.

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1, Maxwell's equation first demonstrated electromagnetic waves in teaching, and then Hertz could do experiments to emit electromagnetic waves, and then there was the development of electromagnetic wave acousto-optic information transmission technology.

2. The mass-energy formula of Einstein's theory of relativity mathematically demonstrated for the first time that the atomic reaction would release huge energy, and predicted the coming of the atomic energy era. Then people realized this foresight in technology. Today, atomic energy has become the main component of electric energy in developed countries.

Newton predicted the possibility of launching artificial celestial bodies through mathematical calculation, and it took people nearly three centuries to realize this prediction.

4. The birth and development of electronic digital computer is completely under the guidance of mathematical theory. The research of mathematicians Turing and von Neumann has played a key role in promoting this major scientific and technological progress.