More companies are learning the importance of destructive technologies—innovations that hold the potential to make a product line, or even an entire business segment, virtually outdated.

越来越多的公司正在意识到变革性技术的重要性，它几乎能令一条产品线、甚至是整个业务部门都因过时而被淘汰。

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The train CRH380A broke a world speed record Friday when it reached 486.1 km per hour on its run between Zaozhuang and Bengbu, which is a segment of the Beijing-Shanghai high-speed rail line.

3日，京沪高铁枣庄至蚌埠段试运行，"和谐号"CRH380A新一代高速动车组最高时速达到486.1公里，刷新世界铁路运营试验最高速。

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To use volume as a building block for a code block that returns the length of a line segment, I can perform either partial application or currying.

要使用volume作为代码块的构建块并返回线段的长度，可以执行部分应用或局部套用。

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Now I have the ability to say, I've got a new class, I can create instances of a line segment, and it's elements are themselves instances of points. OK?

这就是我们要讲模块化的地方了，现在我可以说，我创建了一个新类，我可以创建线段的实例了,这些实例的元素？

麻省理工公开课 - 计算机科学及编程导论课程节选

The length of a line segment?

好，几何学是怎么说的来着？

麻省理工公开课 - 计算机科学及编程导论课程节选

If Apple only moves production of one segment of its Macintosh product line, as reports indicate, the total shift in COGS could amount to less than 1 percent in 2013.

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The remaining 15% of first-half sales came from the aviation segment, which offers a comprehensive line of panel-mounted and portable products, including completely integrated systems that deliver flight instrumentation, location, navigation, communication and identification data.

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General Motors is doing its part to keep its factories humming and stay one step ahead of the competition in the hotly contested full-size pickup segment by offering hefty cash incentives on its broad line of Silverado and Sierra models.

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