阿曼皇家空军需要更换其老化的美洲虎战斗机，这批战斗机是上世纪70年代引进的。

The Royal Air Force of Oman (RAFO) needs to complete the replacement programme for its ageing Jaguar aircraft fleet, which was first introduced in the late 1970s.

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食品沙漠首次发现于20世纪90年代的苏格兰，现已成为市区老化的缩影。

First identified in Scotland in the 1990s, food deserts have come to epitomise urban decay.

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由于两台活塞压缩机是上世纪七、八十年代的产品，设备不断老化，经常出现机械故障；

Because the two sets piston compressor is seven eightys last century, the product, and an ageing equipment, often appear to mechanical failure;

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虽然越来越多新织的毯子被人为地“老化”，但没有什么可以替代内行鉴定古毯年代的经验。

There is no substitute for experience when determining age as more and more newer rugs are artificially "aged."

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虽然越来越多新织的毯子被人为地“老化”，但没有什么可以替代内行鉴定古毯年代的经验。

There is no substitute for experience when determining age as more and more newer rugs are artificially "aged."

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