例句與造句

1. Traffic control started to seem necessary in the late 1890s and Earnest Sirrine from Chicago patented the first automated traffic control system in 1910.
2. Railwaymen unions'requests for reduced speed limits in dense fog, new rules for train crossing and calls for a full scale deployment of automated traffic control systems on the whole Italian network went unheeded.
3. Automated traffic control systems can cause major concerns in large cities, but in places such as the West Texas town of Roby, population 616, there's no need to worry, said City Manager Claude Day.
4. It's difficult to find automate traffic control in a sentence. 用automate traffic control造句挺難的