Therefore, the 1979 accident at the Three Mile Island nuclear power plant in the United States is rated at level five.

因此，1979年的美国三里岛核电厂核泄漏事故被定为5级。

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For on April 29th the World Health Organisation (WHO) promoted the new disease to level five of its six-level pandemic alert.

4月29日世界卫生组织将这一新型疾病列为其六级警戒系统的第五级。

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Japan's Nuclear and Industrial Safety Agency raised the crisis alert level from level five to seven, the highest level on the scale. (Athit Perawongmetha/Getty Images)

日本核电和工业安全机构上调了核危机严重等级，从5级上升到7级，7级是最高等级。

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It predicts counterfeit sales will reach seventy-five billion dollars worldwide this year nearly double the level of two thousand five.

VOA: special.2010.02.22

For the first time the W.H.O.raised its alert level from phase four to phase five on April twenty-ninth.

VOA: special.2009.05.06

The researchers said those with the highest level of cortisol were five times more likely to die from cardiovascular causes than those with the lowest levels.

VOA: special.2010.10.12

Overall revenue, however, is down from its level five years ago, as is net income.

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Massachusetts ranks its schools from Level One, the highest, to Level Five based on academic achievement, graduation and dropout rates.

WSJ: New Front in Charter Schools

Motherwell had another chance to draw level five minutes into the second half, Hammell's cross finding its way to Ian Russell, but his shot was well off target.

BBC: Rangers sweep Motherwell aside