This dissertation analyses the estimation of steady state frequency method based on the calculating of real-time dynamic power flow.

本文分析了基于实时动态潮流计算的预测电力系统的稳态频率的方法。

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In this model, running state of transmission line is divided into four states, and calculation method of state probability, state frequency and state duration in balanced state are given.

该模型将输电线路的运行状态划分为四种状态，给出了每种平稳状态的状态概率、状态频率和状态持续时间的计算方法。

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Nicole Ellison of Michigan State University found that the frequency of networking site use correlates with greater self-esteem.

密歇根州立大学的尼科尔·埃里森发现，社交网站的使用频率与自尊心的强弱有正相关。

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That will be in part a matter of visits from heads of state, and the frequency of visits between heads of state has risen in the last decade.

WHITEHOUSE: The U.S.-India Economic Relationship in the 21st Century

The Hitachi Sound Bars feature four high efficiency full range speakers and two high frequency tweeters with state-of-the-art Class D digital amplifiers.

ENGADGET: Hitachi intros UltraVision LED TVs with Roku-ready HDMI, freshens Value TVs and sound bars for the fall

Its state-of-the-art radio frequency (RF) performance exceeds requirements established by EMVCo and the NFC Forum.

ENGADGET: Qualcomm announces cheap, battery efficient NFC chip, hopes to put it in phones next year