The nature and availability of material evidence was not to be discussed.

关键证据的性质和有效性将不予以讨论。

There is no material evidence.

没有…的迹象。

Material evidence must also be original.

物证应当提交原物。

These works are much more than material evidence of a culture in flux.

这些项目远远不止是对一个处于变迁中的文化的物质证明。

But material evidence was lacking until Emmerling's team analyzed the remains.

尽管如此，在艾默灵的团队分析佛像碎片之前，对此一直缺乏实际的证据。