This presentation is the property of its rightful owner.
Sponsored Links
1 / 30

計時工具發展史 PowerPoint PPT Presentation


  • 87 Views
  • Uploaded on
  • Presentation posted in: General

計時工具發展史. 配合南一書局第三冊 第四單元 時間的主人 活動三 計時工具發展史. 玉梅老師設計. 話說計時器的演變 幾千年過去了,人們追求體積更小、更精準計時器的理想卻未曾改變。. 綜觀整部人類歷史,我們發現,人類在測定時間上的研究,帶動了技術與科學演變。 古埃及人、希臘人與羅馬人 為了 測定晝夜之別 ,發明了 日晷、水鐘 及其他早期計時工具,後來由西方世界繼承了這些技術。. 到了 13 世紀,由於 需要更可靠的計時工具 , 中世紀 的工匠發明了 機械鐘 。雖然這項發明已可滿足修道院與都市生活的需求,但對於科學應用來說,它還是不夠精確,仍不足以信賴;.

Download Presentation

計時工具發展史

An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -

Presentation Transcript


7040874


7040874


7040874


7040874

13


7040874


7040874

5000


7040874


7040874


7040874


7040874


7040874

1810


7040874

1283131300bellclocca


7040874


7040874


7040874


7040874


7040874


7040874

  • (SiO2)


7040874


7040874

2


7040874


7040874


7040874


7040874


7040874

  • ATMOS


7040874


7040874

  • http://www.timeup.com.tw/knowledge/index2-a.htm

  • Google

  • http://wenbi.ttnet.net/cttnet-bin/cshow_html.cgi?showhtml=Y&cono=40000480


7040874


  • Login