Economist Jason Murphy says that companies use customer satisfaction ratings because a shining display of star feedback has become the nuclear power sources of the modern economy.

经济学家杰森·墨菲认为，公司使用客户满意度评级是因为一个闪亮的星评反馈已经成为现代经济的核心竞争力来源。

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Supporters of the Star Wars defense system hope that this would not only protect a nation against an actual nuclear attack, but would be enough of a threat to keep a nuclear war from ever happening.

星球大战防御绻统的支持者们希望它不仅能保护一个遭受核攻击的国家，也希望它能成为使核攻击游不发生的足够威胁。

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These are formed when the nuclear fusion reactions at the centre of a star can no longer support its structure.

行星状星云是当一个恒星的中心核聚变反应不再能支持其结构时而形成的。

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But he got America to spend billions upon billions of dollars on weapons, on underground shelters that he believed could save most people in a nuclear attack and on Star Wars.

ECONOMIST: Edward Teller

When nuclear fusion uses up a star's fuel, in the central high-pressure stellar core where fusion occurs, the star will collapse fairly violently.

CNN: Why gamma-ray burst shocked scientists

Theory suggests that a certain type of giant, short-lived star can experience catastrophic collapse when the nuclear reactions at its core can no longer support its mass.

BBC: Telescope spies cataclysmic blast