The fund said last year that it would grow 1.1% in 2017 and then increase its forecast to 2%. 3. First sex. Plan is the premise of other management work, plan before and after action. It is proposed to set up big core technology in the big fund In 1934, professor rei, of the center for fluid mechanics, used model cars to measure the aerodynamic drag of various bodies in wind tunnels The accounting income maintains the financial capital preservation, namely, the monetary value that only requires the owner to invest is not eroded, the enterprise income exceeds the input value part is the accounting income. Accounting focuses on reporting financial results. The economic benefits insist on physical capital preservation, which can only be confirmed when the actual production capacity of the owner is saved. It is believed that only by maintaining the actual production capacity of the enterprise can the enterprise reproduce smoothly. Physical capital preservation is more meaningful than the income of financial capital preservation, but it is difficult to measure. The principle of rational investment: investment in securities investment in analysis and comparison. The earliest efforts were made in the areas of canning, Alexandria, munez and spaurous.