The green window request is used to apply a dwell at multiple sites. This is normally used to provide
progressive introduction of green signals along a route in an emergency or high priority situation.
这是关于智能交通的,dwell是什么意思啊?我查字典,dwell不能当名词使用啊。
糖菓萦梦 ,我不要直接翻译的,那个是有道词典直接翻译的,好垃圾啊,翻译的