Principle and technology of wind energy utilization Principles and technologies of bioenergy utilization Principles and technology for wind energy conversion Principle and technology of wind power generation 并列题名：Principles and technologies of bioenergy utilization Principles and technologies of solar thermal energy utilization Principle and technology of high frequency communication Principle and technology of data communication Principles and technology for biomass energy conversion 并列题名：Principles and technologies of solar thermal energy utilization