文章分析了西班牙巴塞罗那加泰罗尼亚地区的两座老年建筑及其设计概念，并指出当地政府在采取的策略是尽可能把这些老年公寓建在市区......

Soil aggregation and organic matter of soils from the pre-Pyrenean range in Catalonia (NE Spain) were studied, in order ......