In 2007, the latest year for which both old and new indices are available, income per head was equivalent to $9,694 per year, not $8,445 as the old method suggested.

2007年是新旧核算指标同时实行的最后一年，该年人均收入相当于9694美元，而非老方法算出的8445美元。

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The hierarchy can include subject heads, whose meaning is equivalent to the union of subjects contained within the subject head.

层次结构可以包括主题头，它的意义与主题头中包含的所有主题的联合相同。

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Emissions per head: 25t of CO2 equivalent.

人均排放量：人均25吨二氧化碳当量。

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In 1994, South Africans drank about five litres of pure ethanol equivalent per head.

ECONOMIST: South African drinking rites

Olympic gold medal weightlifter Hossein Reza Zadeh can, in two quick motions, lift 580 pounds over his head, the equivalent of a year-old heifer.

WSJ: The World's Greatest Athlete?

Was Republican Party chairman Haley Barbour's four-line press release equivalent to then Democratic Party head Ron Brown's flying the flag at half staff over party headquarters and attending services when his counterpart, Lee Atwater, died young of a brain tumor?

CNN: Washington Diary