Contributes to a research on the vibration radiation noise of piezoelectric pump. Two theory models are introduced, which calculate the synthetic sound pressure according to the vibration quantity.

研究压电泵振动放射噪声，提出两种由振动量计算压电泵合成声压的理论模型。

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In chapter Two, theory of Skin Effect is analyzed.

第二章是对集肤效应原理的分析。

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Part two: Theory of Concept.

第二部分：概念论。

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In nineteen eighty-two, American researchers James Wilson and George Kelling wrote a report describing what they called the broken windows theory.

VOA: special.2009.03.03

There's plainly a tendency in modern literary theory to reduce all the tropes of rhetoric to just these two terms.

在现代文学理论中有一个很明显的趋势,那就是减少一切华丽的辞藻，只保留这两个。

耶鲁公开课 - 文学理论导论课程节选

So, according to the expectations theory augmented with liquidity preference-- This strongly upward-sloping term structure in 2003 would reflect two things.

所以,根据结合了流动性偏好的,预期理论,2003年期限结构中表现出的,强烈上扬趋势反映了两方面的因素

耶鲁公开课 - 金融市场课程节选

Our readers well know, that the two in theory should be the same.

FORBES: GDP And The iPhone Problem

There is also longer-term evidence to support Dr Elsner's theory of two stable hurricane patterns.

ECONOMIST: Eye on the storm | The

The Biderman Market Theory has two key distinctions and both of them are bullish for U.S. stocks over the near term.

FORBES: Two Reasons To Be Bullish