Like Galileo, all the great names in history were curious and asked in discontent, "Why?

和伽利略一样，历史上的所有伟人都充满好奇心，他们会孜孜不倦地问：“为什么？”

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The worth of men like Galileo is not always understood while they are alive.

像伽利略这样的人在世时并不总是（always）被人理解的。

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Like Galileo, Cassini is powered by the natural decay of the radioactive element plutonium, which generates heat that is then converted to electricity.

如同伽利略号，卡西尼号的能源来自放射性元素钸的自然衰变，产生热后再转换成电。

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Meanwhile, the European Union is going ahead with plans for its own GPS-like system of satellites called Galileo.

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InterGlobe today is a franchisee of Galileo, represents companies like Hawker Beechcraft, Sikorsky, Dornier Seaplane and Pacific Aerospace.

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But America's fears are economic as well as military: it suspects that the EU might try, for instance, requiring aircraft entering its air space to use Galileo-based navigation systems, to the detriment of American firms with products based on GPS. And European countries, China and the like might develop weapons that are compatible with Galileo rather than GPS, which would mean American defence firms losing a competitive advantage.

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