Sign up to save your library
With an OverDrive account, you can save your favorite libraries for at-a-glance information about availability. Find out more about OverDrive accounts.
Share
Find this title in Libby, the library reading app by OverDrive.
Search for a digital library with this title
Title found at these libraries:
| Loading... |
科技是一個國家發展的脊梁，是一個社會立足的根本，也是一個時代前進的保證。中國歷代的科學技術，在很長的一段時期裡都居於世界領先地位，中國歷史上的科技成就，為世界文明的發展做出了很大貢獻。蔡倫造紙術、畢昇活字印刷、祖沖之圓周率、郭守敬天文觀測......弘揚古老華夏文明，開創中華民族復興之路。
Share
