What is the phenomenon of "three super"

The phenomenon of "Three Supermarkets" usually refers to three prominent phenomena in the period of rapid economic growth in China, namely, the economic growth rate exceeds 10%, the foreign trade export growth rate exceeds 20%, and the urbanization rate exceeds 50%. The appearance of "Three Supermarkets" has also had a very important impact on the rapid development of China's economy and the development of the world economy.