Cosmologists use this Kardashev Scale to predict the technical advancement of future and alien civilizations.
宇宙学家使用“卡尔达舍夫等级”来预测未来的技术进步以及外星文明。
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Once the technical issues have been sorted out, you can scale them up to the level of a coal-fired plant.
一旦解决了技术问题，就可以将风筝发电站的比例提高至燃煤电站的水平。
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You also have the benefit of several iterations to address some of the technical difficulties, which can allow you to extrapolate the solutions for greater scale.