再选择您的图书馆和研究蓝色技术。蓝色技术是城镇技术并且每一个允许您建造另一个城镇(并且增加您的国界)。

Select your Library again and research the blue technology. Blue technologies are Civic technologies and each one allows you to build another City (as well as increasing your national borders).

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蓝光影碟机和高清数字影碟机采用了相似的技术，都用蓝色雷射光读取影碟上的信息。

Blu-ray and HD DVD are similar in technology. Both use a blue laser to read the information on the disc.

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近年出现在花卉市场上的蓝色玫瑰实际上是采用染色技术培育而成的，而这种名副其实的蓝玫瑰将于明年秋季正式面市。

Blue roses have been available recent years but they were created by using various dying techniques. The real blue rose will go on sale next autumn.

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