Matching sediment patterns in the fragments with those in the hollow niches where the Buddhas once stood offers key clues to the pieces' original position.
通过将残片的泥沙类型与佛龛上的黏土类型进行配比，为碎片原来所处的位置提供了重要线索。
There existed two main sediment source systems and two correspondingpalaeo-current systems in the original basin and the original basin was in an extensional environment of north-south trend.
认为原始盆地存在两大物源体系及相应的两大古水流体系并处于南北向扩张为主的状态中。
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