How many years can the investment of a large wind turbine be recovered if the investment is10 million yuan?

More than 10 million. CCTV once reported that medium-sized generators do not turn once every 5 degrees, once every 5 seconds in case of stroke (once every 4 seconds in case of strong wind), and can turn 12 times an hour and 720 times an hour. 720×5 degrees = 3600 degrees/hour× 0.5 yuan/hour× 24 hours = 43,200 yuan/day× 300 days = 654.38+02.96 million yuan/year.

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