原子能的安全记录还是令人满意的，然而现在已经有430多个商业核电站分布在世界各地的近30个国家中，此外还有200多艘核动力船只和潜水艇。

Nuclear energy has an excellent safety record, but there are now over 430 commercial nuclear-power plants in the world, in some 30 countries, and over 200 nuclear-powered ships and submarines.

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潜水艇现在已经由原子能来驱动了。

Submarines are already being powered by atomic energy.

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