索引词：superimpose
例文：[例8] All conservation projects should begin with substantial scholarly investigations. The aim of such investigations is to find out as much as possible about the fabric of the structure and its superimposed layers with their historical, aesthetic and technical dimensions. This should encompass all material and incorporeal values of the painting, including historic alterations, additions and restorations. This calls for an interdisciplinary approach. 所有保护项目均应首先进行大规模的学术调查。 此类调查的目的是尽可能多地查明建筑物的构造、建筑物的叠加层以及这些叠加层在历史、审美和技术方面的含义。 这项工作应当涵盖壁画的所有有形和无形价值，包括历史性改建、添附和修复。 这就需要采用跨学科方法。