|
建议用时：15分钟 A [2015·甘肃兰州双基考]An Australian company, Smart Car Technologies, has developed a system that lets drivers know when they're speeding. When the technology becomes commercially available, it could help leadfooted_drivers avoid tickets and also save lives. The company that developed the product hopes to convince Australian government agencies to put the technology into use in their automobile fleets (车队)． The product, called Speed Alert, links realtime location data and speed obtained with the help of GPS to a database of posted speed limits stored in a driver's PDA or programmable mobile phone. The setup of the product does not need to be hooked up to a car's speedometer (速度计). In fact, it is entirely portable. It will also work with newer phones and PDAs that have builtin GPS receivers. If a driver exceeds (超过) the speed limit, the speed is shown and an alert sounds. Michael Paine, an Australian vehicle design engineer and traffic safety consultant, was hired to analyze the product. He | 
