The triangle of Central China is an important part of the Yangtze River Economic Belt,and a new growth pole for the Chinese economy.In the new age,digital economy becomes a strong support for the economic development of the triangle of Central China.An evaluation index ...MORE The triangle of Central China is an important part of the Yangtze River Economic Belt,and a new growth pole for the Chinese economy.In the new age,digital economy becomes a strong support for the economic development of the triangle of Central China.An evaluation index system of digital economy development level was esta...