1. Where the deficiencies of the airport lay were in operating areas, notably runways and taxiways. 这个机场容量不足之处在操作区域,特别是跑道和滑行道。
2. Other types of LEDs are already at work in traffic lights, outdoor displays (like those in New York City's Times Square) and stadiums; airports even use LEDs on their taxiways. 其他类型的LED已被广泛用于交通信号灯、户外显示屏(比如纽约时代广场的显示屏)、体育场,甚至被用于机场跑道。