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     ǰ  The Librarian Who Measured The Earth (ϵĿ, ۹) (ǰ)

  å:The Librarian Who Measured The Earth (ϵĿ, ۹) (ǰ)
  :Kathryn Lasky(Author), Kevin Hawkes(Illustrator)
  ǻ : Little Brown & Co
  :48
  ISBN:9780316515269
   : NO
  Һڰ:21,600
  ǸŰ:ݹ
  :0
   : 忬 - ʵб г, ʵб г (8~13)
   :
  | | ǰ 

: õմϴ!   ۾:
   Giographica by Eratosthenes  ȸ: 225 / õ : 24
׸ б, пǰ ̸ ׿. ÷ Ʈ ̸ ٿ.
gymnasium
stylus
tablet

ȶ ǥ ׿.
a whiz
get around

museum( the place of the Muses ; the nine daughters of Zeus, who help inspire artists and scientists) ˷ֳ׿.

ư ϰ ƹ ߰ Herophilius ׿.
ð, Ctesibius ׿.
߸ Aristophanes ׿.

circumference arc 踦 grapefruit in half ֳ׿.
'every circle is made up of 360 degrees' ̿ؼ,
secton arc ص, ؼ circumference Ҽ ִٴ ֳ׿.

׷, ̿ ((the inside angle) ̵, ) .

ð Ÿ⵵ ÿ ū ̿.

ÿ ü(sphere) ˰ ־, ŭ ū ü(how big a sphere) 佺׳׽±.
ݷҺν 佺׳׽ ش ߰, ˾Ҵٴ±. ׷ Ƹ޸ī ε ߳.
, ݷҺν ڱ ξ ū ˾Ҵٸ, ƿ õ ʾ Ŷ׿. ^^;;

make up ϳ ˾ҳ׿.

curiosity ߿伺 λ̳׿.
All knowledge builds on existing knowledge. But it taked the curiosity and inspiration of a man like Eratosthenes to figure out how to use that knowledge to answer old questions and create new ones that will alter civilization and our view of the world for years to come.
 2010 04 21 11:41:48

ǰ : õ Ʈ :
180115 ۾ 
̸ ȸ õ ۼ
Giographica by Eratosthenes 225 24 2010.04.21
ȣɰ Ž 佺׳׽ 180 76 2010.03.05
۹ .. ̼ 204 29 2009.12.23
3 ̿ 333 30 2009.09.27
- ø ϵǸ 500 ٷ 밡 帳ϴ. [ڼ Ȯϱ]

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