In 1934, professor rei, of the center for fluid mechanics, used model cars to measure the aerodynamic drag of various bodies in wind tunnels In general, us interest rates fall and the dollar weakens. Us interest rates rise and dollar trends favour. A change in the price of U.S. Treasury bills, especially long-term Treasury bills, can help to predict the direction of the U.S. dollar. If investors think the us inflation is under the control, then under the existing Treasury bonds interest rate to attract, especially short-term Treasury bills, will attract investors, bond prices to rise. Point 4: look at the guarantee. If the high yield p2p wealth management products of the platform are guaranteed, and the strength of the guarantee company, investors need to study it clearly. Britain has a long history of motor vehicle development, and the world's leading enterprises, universities, motor racing industry and autonomous projects have the strength to realize the transformation and development. Professional knowledge and forward-looking thinking are the unique advantages of developing core automotive technology in the UK.