这本图籍是祖上传下来的，你要好好保存。

This land chart and census register has been handed down from our ancestors, so you should keep it safe.

本文从版本的角度介绍中国地质图书馆的几种地学珍本图籍典藏。

This paper introduced several precious geoscience document recently found in the National Geological Library of China.