在核和化石加燃料发电厂之间的大的经济差别是建造并且使退役核反应堆更昂贵，但是更到太阳便宜。

The big economic difference between nuclear and fossil-fuelled power stations is that nuclear reactors are more expensive to build and decommission, but cheaper to sun.

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因为在使遗留系统退役的过程中，最大的障碍是多个消费应用程序中到处散布和使用的物理遗留值和属性。

One of the biggest hurdles in decommissioning legacy systems is the pervasive propagation and use of physical legacy values and attributes across consuming applications.

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本文的剩下部分将研究一些用于同时支持旧接口和新接口的版本控制技术(第3阶段)和一种用于使现有接口退役的方法(第4阶段)。

The rest of the article examines several versioning techniques for supporting old and new interfaces concurrently (stage 3) and an approach for decommissioning the existing interface (stage 4).

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