173. Digital scans of archive materials are provided for a small fee.

#1311049新题难。

The study took a long time to actually come together because each dinosaur bone can weigh hundreds of kilos, but we used digital scanning technology to actually create 3-dimensional models of each of these bones.

这项研究花了很长时间才真正完成，因为每一块恐龙骨骼都可能重达数百公斤，但我们使用数字扫描技术给每一块骨骼建造了3D模型。