Development theory and technology of high pour point oil reservoir 并列题名：Development theory and technology of high pour point oil reservoir Efficient development theory and technology in ultra-low permeability reservoir Efficient development theory and technology in tight gas reservoir Development theory and technology of overseas carbonate oil and gas fields 并列题名：Efficient development theory and technology in ultra-low permeability reservoir System theory and technology of high speed generator 并列题名：Efficient development theory and technology in tight gas reservoir 并列题名：System theory and technology of high speed generator 并列题名：Development theory and technology of overseas carbonate oil and gas fields