Many great inventions signalize the last 150 years.
许多伟大的发明使过去的一百。
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Many in the environmental community like the fact that because traffic isn't stopped, like it is at a traditional signalized intersection, you don't have vehicles idling and therefore the emissions from those idling vehicles is less.
环保界的许多人都喜欢这样一个事实:因为交通不会像传统的信号交叉口那样停止,所以不会有车辆空转,因此这些空转车辆的排放量较少。