With the coming maintenance period of the aging road in China, the old asphalt pavement's recycling has become an important issue.

我国许多高速公路路面已经进入全面维修期，旧沥青路面的再生利用是一种主要养护方法。

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Into the 21st century, our country is entering a "housing aging" period, the time of a comprehensive renovation of old housing has come.

进入21世纪以来，我国正步入一个“住宅高龄化”阶段，全面地对旧住宅进行更新改造的时期已经到来。

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During storage or in operation the frequency of the crystal resonator will change according to the duration period, which is define as aging in crystal field.

石英谐振器在贮存、使用过程中频率随时间变化的现象称为老化。

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The cellular telecommunications industry is entering a period of transition from aging, analog-era transmission technology to high-speed "third-generation" (3G) mobile networks.

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Whether any company flourishes or fails in the volatile period of transition between an aging Second Industrial Revolution and the emerging Third Industrial Revolution will depend, to a great extent, on their energy costs.

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Earlier this week, truck manufacturer Paccar ( PCAR) said its customers are choosing to hold onto aging trucks for a longer period of time, rather than replace them.

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