regulated state of a track circuit

例句：

1. 1. The government has regulated the number of cars on the road to reduce congestion.
   政府已经对道路上的汽车数量进行了调控，以减少拥堵。
2. 2. The factory is regulated by strict safety standards.
   这家工厂受到严格的安全标准的监管。
3. 3. The company's financial performance is regulated by a complex set of rules and regulations.
   该公司的财务状况受到一系列复杂规则和法规的监管。