As of the end of 2008, a small percentage of the merged DeltaNorthwest's planes dated back to the late 1960s.

截至2008年底，合并后的德尔塔诺西南航空公司的飞机中有一小部分可以追溯到上世纪60年代末。

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The content and format of explanations dated back to a time when the museum was the exclusive domain of the scientific researcher.

解释的内容和形式可以追溯到博物馆是科学研究人员的专属领域那个时代。

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Yangzhou paper cutting, with a history of 2,000 years, can be dated back to the Sui Dynasty, making Yangzhou one of the places where paper cutting first became popular.

扬州剪纸可追溯到隋朝，距今已有2000多年的历史，扬州是最早流行剪纸的地方之一。

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The last major period of innovation dated back to 1979, when the Swiss artist H.

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Mr Joslin's family said the complaints he had relating to the colleague dated back to 2007.

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Artifacts at this location have dated back to the Assyrian period, almost 3, 000 years ago.

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