Signal sources with high accuracy and operational frequency are used in the fields of research and application of modern electronics measuring technology.

在现代电子测量技术的研究及应用领域中，常常需要高精度且频率可调的信号源。

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This paper establishes the mathematic model of this system, and investigates the effect of compensation topology, operational frequency, and load on system characteristics.

本文建立了新型无接触电能传输系统的数学模型，并分析研究了系统补偿拓扑、运行频率及负载参数对系统性能的影响。

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First, they want to build statistical models mapping the severity and frequency of past operational risk losses and use this to judge the amount of the bank's capital at risk from operational failures in the future.

ECONOMIST: Risk management

So the operational impact of any engine-related grounding is decreased by having competing engines, but the frequency of engine-related groundings is probably increased.

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