家猫和人类的关系也已经有很长的历史了。

Felis catus has had a very long relationship with humans.

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MVC模式已经有很长的历史了，并且有很多变体。

The MVC pattern has a long history, with numerous variations.

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空基发射的火箭已经有很长的历史了。

Air-launched rockets have a long history.

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波音公司为美国空军提供空中加油机已经有很长的历史了。

Boeing has a long history of supplying tankers to the Air Force.

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遛鸟在中国已经有很长时间的历史了。

This activity has been rooted in China for quite a long time.

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遛鸟在中国已经有很长时间的历史了。

This activity has been rooted in China for quite a long time.

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