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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Having explained five forces at the level of the market, Porter's positioning approach switches to competitors analysis to explain intra-market differences.

在解释了市场层面上的五种力量后，波特的定位观转向竞争者分析以解释市场内的差异。

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The WHO's alert level for the virus remains at phase five of six, meaning a global outbreak is imminent.

猪流感病毒在世卫组织的六个警戒级别的仍然在第五级，这意味着马上就要全球爆发。

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"What we found was that high blood pressure,smoking, overweight/obesity and high blood glucose account for five years of loss of life expectancy in men and about four years in women at the national level."

VOA: standard.2010.04.08

However, from the point the first skill point is earned (at level five) regular use of that skill becomes a key part of player strategy, to the point where the characters feel quite different.

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When business does come back it will be only at the level of five years ago, believes another senior investment banker.

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After entering a new overseas market, McDonald's needs about five years to break even at the store level and another five to break even country-wide.

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