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SSS 2008-03-12

时间:2010-05-13 03:20来源:互联网 提供网友:0922013129   字体: [ ]
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    (单词翻译:双击或拖选)

This is Scientific American’s 60-Second Science. I’m Steve Mursky. Got a minute?

Cameras that catch drivers who blow through red lights are there to improve safety by discouraging light-running. But such cameras actually increase the likelihood of car crashes. Because more drivers jam on the brakes in an attempt to make a late stop at red light camera intersections1. That’s the finding of a study done by researchers at the University of South Florida, College of Public Health. They decided2 to look into the issue because Florida officials are considering installing many more such cameras around the state. The researchers contend that other studies associating cameras with fewer crashes and injuries are flawed. Those studies were linked with the Insurance Institute for Highway Safety, an industry group. But insurers may profit from red -light cameras, because revenues go up with increased citations3 and accidents. The new report notes that North Carolina, Virginia and Ontario all had increased crash rates and injuries associated with red-light cameras. In Florida, injuries related to red-light running are down anyway, so drivers needing to make a quick decision at a yellow light, maybe better off not seeing red.

 

Thanks for the minute, for a Scientific American’s 60-second Science, I’m Steve Mursky.
 


点击收听单词发音收听单词发音  

1 intersections c67ecd1980278dab3ff2b496feea84b2     
n.横断( intersection的名词复数 );交叉;交叉点;交集
参考例句:
  • Traffic lights have been placed at all major intersections. 所有重要的交叉路口都安装了交通信号灯。
  • Intersections are of the greatest importance in highway design. 在道路设计中,交叉口占有最重要的地位。 来自辞典例句
2 decided lvqzZd     
adj.决定了的,坚决的;明显的,明确的
参考例句:
  • This gave them a decided advantage over their opponents.这使他们比对手具有明显的优势。
  • There is a decided difference between British and Chinese way of greeting.英国人和中国人打招呼的方式有很明显的区别。
3 citations f545579a8900192a0b83b831bee7f711     
n.引用( citation的名词复数 );引证;引文;表扬
参考例句:
  • The apt citations and poetic gems have adorned his speeches. 贴切的引语和珠玑般的诗句为他的演说词增添文采。 来自《现代汉英综合大词典》
  • Some dictionary writers use citations to show what words mean. 有些辞典的编纂者用引文作例证以解释词义。 来自辞典例句
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TAG标签:   SSS  intersection
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