The random load characteristics in a sample power system were considered to develop a stochastic model for voltage stability.

对一个典型的电力系统动态模型进行了分析，在考虑了负荷随机性基础上，建立了随机扰动的电压稳定模型。

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An image processing method is used into the driving circuit, and the image luminance uniformity and gray-scale reproduction quality are improved, the sample power consume is also reduced.

将图像处理技术应用到驱动电路中，改善了图像的亮度均匀性和灰度再现质量，降低了整机的功耗。

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The sample application for this article starts with an Excel spreadsheet file provided by the Human Resources department of the fictional Planet Power corporation.

本文的样例应用程序从一个虚构的公司 Planet Power 的人力资源部门提供的一个 Excel 电子表格文件开始。

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From 30 precious milligrams drilled out of the sample they extracted mitochondrial DNA. The mitochondria, a cell's power packs, are the much-modified descendants of bacteria that took up residence in the ancestors of modern animal and plant cells a billion years ago.

ECONOMIST: A new species of human

This comes after weeks of spotty polling, in which wide-scale power outages and destruction made it difficult to find a truly random opinion sample.

CNN: Hurricanes complicate election projections