对振冲法的预振效应进行了分析，认为预振效应的机理是经过振动处理后，砂土地基的微观结构得到了优化。
The underlying mechanism of pre-vibration effect is also discussed, which is thought to be useful to improve the microstructure of sand.
你可以利用这一效应制造一种手机中的振子，它消耗的能量要比现今使用的更少。
You might use this effect to create an oscillator in cell phones that would use less energy than those in use today.
财政刺激措施和高资产价格带来的财富效应只是提振国内消费的治标之策。
Fiscal stimulus and the wealth effect of rising asset prices can provide only a temporary prop to domestic spending.
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