Curiosity is a beast of a rover, weighing one ton, measuring ten feet long by seven feet tall (at the top of the mast), and powered by a plutonium-238 fueled electrical generator.

“好奇”是一个多轮的火星巡航车，重约一吨，十英尺长，算上到桅杆顶端约有7英尺高，由一台钚燃料的发电机驱动。

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For example, you wouldn't just change from JDBC to EJB without some long meetings, a ton of planning, and an enormous amount of forethought.

比如，没有经过漫长的讨论会、数以吨计的计划和大量的深思熟虑，您不会轻易地从JDBC转移到EJB。

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The answer, in the magazine’s Franz Kafka’s Garage column, is: “Long ago, half-ton pickups could haul half a ton.” But competition led to more capable trucks, though the name did not change.

答案在一本叫<弗兰茨卡夫卡>的杂志上的一个车库专栏中作出了解答:"很久以前 半吨的小型卡车能拖拉半吨的货物."

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