A new method is presented for analyzing the acquisition behavior of second-order PLL with sinusoidal phase detector in the absence of noise.

本文给出了一种计算无噪声时具有正弦鉴相器的二阶锁相环捕捉特性的新方法，求得了每个差频周期的平均角频率牵引量。

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Social learning in animals is said to occur when direct or indirect social interaction facilitates the acquisition of a novel behavior.

据说动物的社会学习是在直接或间接的社会互动促进获得新行为时发生的。

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In fact, Google is on pace to be the biggest buyer of venture-backed startups in 2010, and this acquisition pattern breaks with much of Google's historical shopping behavior, Business Week says.

商业周刊表示，事实上Google正有意在2010年成为风险投资支持的创业公司的最大买家，其收购行为也打破了Google以往的收购风格。

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Stephens is more leery of recent developments like Google Maps Streetview, which offers street level photographs of entire cities, and Google's acquisition of DoubleClick, which tracks the behavior of users on thousands of Web sites.

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