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̽΢չ

ʮ͵ĵ΢˵ǿѧ,˵Ʒ(ͼ).ƺʱ΢׷IJǸߵ,Ӿϵ.΢.ʮ.,ѲǵķŴԷо,ҪǹĻͭɫ,װλһָ߹ŵ.

1ʽ΢
ʽ΢ľͷһԲνֵв.ֱһһ,Ǹֱյĵط.ĩ˻˼ͻ,ʹס.ֱм,һԲ׿תԲ,̨.

ʽ΢

ʹǰ,ƷгɱƬŵ̨Բ.Ȼ΢Բ׶׼Դ,ͬʱѽַԵסΧĹ.ôĴָѹ϶̵Ǹֱ(൱һܸ),Դ˵ھͷ걾ľʹΪ.Ƭ϶,ηŵÿԲ.ڹ۲ʱת̨ɹ۲쵽ÿƬ.΢ͷĴС,ķŴӦñȽϴ.


ʮҶ,һֻ΢.ǵĻṹͬ:εľ,һ͹͸.ھвһĿˮƽĺ.ںǰ˹̶һ,˴ֱij""----ص̨.

΢

ʹʱ,Ƚ걾,ʹ걾̶.Ȼǰƶ,ڱ걾͸ľʹ,ɽй۲.΢͸СԿ,΢ķŴʲ.
ǣ걾ε̨ʵڲȶ,˹۲ʱʵʲ鷳.,΢ûв̨.
ͬʱͬ͵ĵʽ΢:΢.

3ʽ΢Ķ----Ļ˵΢

΢

Ļ[Antoni van Leeuwenhoek](1632-1723).ѧչʷϵһλҪ.һλܹſѧҺ΢.ֹĵ΢֮,ڶܹƾ˫Ǹõĵ΢.ȷϸ,Ӷ΢ѧ.ȷ΢̬,״.֤ʵëϸѪܵʵڶйѪҺѭ.״,˵ľ.ָ:¶ˮжҵ΢.ʶ΢ķֲһν.ͨʵ֤˵ʱеȻ۵Ĵ,ıǵĹ.1673,ӢʼѧὨϵ,һֱ1723ǰһ.

Ļһٸ΢,ǶdzС,ƺ͹Ҳ.΢ijߴ缸һ:2Ӣ,1Ӣ.ûͭ.

һĻ΢ݶ,(нϳһֱ.䳤ȿԵ;ͨڽ϶̵ǸݶԸı걾͸ľ.)í,һͷ,һľ,һ̨(ֱ,ֱͨȿԵڱ걾ĸ߶).ĽṹΪ:ͬ״Ļͭ϶ԳƵ,ȻѾͷһ,ٰһͭ,ͭ,ʹ׸պðм͸ס.í̶סͭ弴.

ʹʱͬȽ걾̶.Ȼ΢(ͼ)ŹԴ,ͬʱݶʹ걾λ,ӰѺ󼴿ɽй۲.
˳΢С͸:Ļ˵΢͸ʮ־,вΪ֪.ǵĺȽΪһ,ʰ뾶Ϊ0.75.кܸߵķŴʺͷֱ.UtrechtղصһĻ΢ŴΪ275,ֱʽӽ1΢.ڵʱһ,ȫһҵ֮,Ǹ漣.

ڣ2009-12-16
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