At the middle level, a portable graphics engine provides support for line draws, area fills, polygons, clipping, and color models.

在中间层，可移植的图形引擎提供对线的绘制、区域的填充、多边形、裁剪以及颜色模型的支持。

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Fewer than a quarter of the promised jobs have materialised and not a single engine has rolled off the production line.

之前所承诺的工作岗位，现在兑现的不足四分之一，而且在组装线连一台机车也没有产出过。

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During boot, the activation engine retrieves script command line options from the activation profile XML file, located on the virtual floppy.

在启动期间，激活引擎从位于虚拟软盘中的激活概要XML文件中检索脚本命令行选项。

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But the reality is that an in-line engine like this simply purrs more smoothly than V-shaped motors, and it revs just as freely as anything Honda has ever produced.

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After one has made every last power plant, jet engine, assembly line and car as efficient as they can possibly be given today's technology, one either hopes for an energy-boosting technological miracle or else starts restructuring the economy.

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These were followed, more recently, by technologies of prosperity like the steam engine, the assembly line, and complex systems of communication, power and finance.

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