单语范例（未经PONS编辑处理）
The effectiveness of using full cutoff roadway lights to combat light pollution has also been called into question.
en.wikipedia.org A value of 2 is taken as a cutoff for acceptable to certain race committees.
en.wikipedia.org At high speeds, the cutoff may be 15% percent of the piston stroke or less.
en.wikipedia.org No single cutoff number has been agreed upon for which a disease is considered rare.
en.wikipedia.org If you don't know the life span of a component part, how can you have a cutoff?
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