Kevin Balke, a research engineer at the Texas A&M University Transportation Institute, says that while smart lights can be particularly beneficial for some cities, others are so jammed that only a sharp reduction in the number of cars on the road will make a meaningful difference.
德克萨斯农工大学交通研究所的研究工程师凯文·鲍克说，虽然智能交通灯对一些城市特别有帮助，但有些城市太拥挤了，只有大幅减少道路上的汽车数量才能有效改变拥堵的局面。
But it would not be enough to prevent a sharp widening of the output gap (the difference between actual GDP and what the economy could produce at full capacity).
但这也不足以阻止产出缺口的扩大(指经济能够完成的最大产出与实际产出的差)。
In one respect his difference with Mr Obama is sharp as a pin.
在有一个方面他和奥巴马的差别非常明显。
And the slight variations in frequency that do exist are only a tenth of the difference between a C and a C sharp.
即使有差异，也是极其微小的，只有C调与升C调之间音高差异的十分之一。 《美国声学学报》电子版刊登了上述发现。
And the slight variations in frequency that do exist are only a tenth of the difference between a C and a C sharp.
即使有差异，也是极其微小的，只有C调与升C调之间音高差异的十分之一。 《美国声学学报》电子版刊登了上述发现。
应用推荐