The motor carbon brush of radar antenna has been worn seriously due to long time service. It can not touch really.

雷达天线电机炭刷由于长时间使用磨损严重，接触不良。

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Structures are always subjected to various adverse factors during its long-time service, such as fatigue, environmental corrosion, material aging, etc.

在结构长期服役期间，疲劳、环境腐蚀和材料老化等因素的作用会引起结构损伤的累积。

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But Voice of America Persian Service has been there for a long time.

VOA: standard.2009.07.02

For a long time your service has demanded a particular kind of sacrifice.

WHITEHOUSE: President Obama Signs Repeal of Don��t Ask, Don��t Tell

Similarly, eFax stopped promoting their free fax service a long time ago.

FORBES: Why Freemium Isn't Free

"This is the long time strategy for privatisation of the prison service in Northern Ireland and we believe this a backwards step, " he said.

BBC: Prison officers protest against Magilligan closure