本文借助于对“拉尼斯—费景汉模型”的扩展，分析了农业部门的技术进步偏向与劳动力调整这一关键性问题。
We expand the RanisFei model to analyze the critical issue between the agricultural technology tendency and the labor adjustment in the agricultural sector.
这个模型使用的是2015年威尼斯艺术双年展的德国馆的回收材料。
This prototype was built using materials recycled from the German Pavilion at the Venice Art Biennale 2015.
根据《吉尼斯记录大全》，布鲁斯这座称为 北国 的私人火车玩具，是世界上最大的铁路模型。
According to the Guinness Book of World Records, Bruce's personal play set, known as Northlands, is the world's largest model railway.
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