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ڵλãֻѧУ
ֻλ˵
2001-07-28 00:07ߣũ
ͷݳУһϣ֪ԼεأΧΣʲôصʩͺõȥɣһֱǵ룬ɽֻҪֻ죬ϢͻԶֻĻϡ

ֱֻġλ񡱡νλֳλ÷ͨרŵƶֻûλϢγݣȻṩӦֵҵ񡣿ֻͨû縲ǵķΧڣػ֪ԼǰλãͬʱѯȡֳϢ

ƶƳֻλ񣬽λ÷һBPն˶λװ BPװλáĿǰƶͨÿվĸǰ뾶200500֮䣬ֻƶᴦijվĸ£ʲôλãֻҪֻһܵİλϢͻͨBP͵ֻĻҹʧأ ԱΪʧ60Ϊ˱ƶֽڣֻƶλ÷񹹳ɵλϵͳĿǰַϵͳȣϵͳСᡢǿص㡣ԤۼǧԪڣгϽԪǶλϵͳGPSȳɱ󽵵ˡ

ȻܹҳܹˡͬһijԱ䱸ֶλװãںܴľ㣬ܷɢ£СҲɡơÿο͵λˡʵԱλڼǰձͳһֽСBPĹߣôװãЧΧҵͬСBPĿġ¡

ʵλӦԶЩ缯ųӡԱ豸ĵȹ ȫͽ ̵ꡢСꡢҽԺʱʩλϢ ȿͨλʵ֣ڲԶĽƶķչЩܵʹ

ĵַ:http://www.cnonline.org/2001/article/1356.html
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