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ڵλãֻг
ͨһͨ:20Ԫ°󶨹ֻ̻Сͨ
2004-09-09 01:15ųߣ
ϺͨϺŵġһͨڲãϺͨһͨ¶棬˹̻гսڿʼÿ½20ԪͿ԰ѹ̶绰ֻСͨһ𣬱ֻҪһ8λ룬ʱҵ㡣

һͨɱڣ㲦˵ֻԷֻ谴̶绰׼ѣⲻеֻʷѱ׼γɳͨҲѴϺŵĵ̡̻гǰܲԸԼļͥ绰߱ˣӵеͨѶʵ̫࣬ڱϵ취ʱЩŤͳһĺ档ң㻹áһͨʽʹǸֻȽ϶ˣ԰תƵߵĹ̶绰ϣʡ²ٵͨѡٲ칫ҵĵ绰û˽ӣֻСͨͼ绰Ҳһһ

˽⣬ûڻ10ԪͿԿͨһͨʹһͳһ8λÿҪ20ԪĹܷѡڡһͨڼ䣬ڵĵ绰ͨǰ0.2Ԫÿ0.1Ԫڳ;ÿ0.3ԪϺгһͨܣ簴ʱתӡ塢ȶڽ𲽿š

ʵ֮ͨǰϺͨϺŶѾʼӪһͨҵ񣬵ҵڲʹáĿǰͨѾӵǧûϺҲڴԭ12λġһͨΪ8λìͷָ򱾵гҵʿΪҵӪ̵ġһͨʷѱ׼ҵķչDZַdz󣬹̶绰гļҾܿһֵ֮ͨҵתơ

ĵַ:http://www.cnonline.org/2004/article/5211.html
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