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ڵλãʱ
CEC9680:Ƕλ
2002-06-06 14:57ʱߣ


Ƭҵˡˣ²᲻ƬֻҪһʹͨѶʩᱻ׷ٵ޴ε龰̵ӡGPSá

˽⵽һȫ¼ѾͨѶһͺΪCEC9680ֻھֻḻܵͬʱҲӵԼGISϵͳ(Ϣϵͳ)ֻõĵӵͼ԰ʵʱ˽ԼλãԼΧĻǿIJѯ
ʹԶԳеĸȤָƣܿȥκεطʧ

GPS;

GPSȫǶλϵͳ(Global Positioning System)ģԼ๫ߵĹе24ѶţDzԭѶڵϵλá

ĿǰʽGPSջͳǵϵͳʮַСרṩӵͼվݿ⣬ԲѯϷԺͣϡһЩӵͼֻ֧ѯ⣬ҲƳԲѯѯݡξȡе̻GPSϵͳչǰȫϵͳڳЮ֣ͨϵذť÷ĽмGPSϵͳĹܴӵָʾ·ߵȫIJΡ

ϤCEC9680ΪϵһйԼƵ롢ܲѯGPSֻܻҺ·㡢Ȥ㡢ϲȶϢݿʹӦоСȫͼԤװͼʵõĸɽӷصĹнѳ

ֻõӡСֻԴͬʱʹGPSϳգȴԼңֻɹλֻʾϲСͼӦı仯򿪿أʱ䲻ʾѾ֪ڵľȷλã6סͿһԼλõ㡣GPSԴ500㡣߳20ҼGPSĻϿ߹·߹켣ͬʱGPS᲻ʾꡢٶȡ̵Ϣ

ֹܣͽΡﳵСҰӪɽDzμҡϪԽֻ̽Ϊ˯һĻ˶װˡ



ϵԵĴƷPDAȫΪAPPLE˾ִܲJOHN SCULLEY19921IJƷ

ݽܣPDAֻУCEC9680һ׶ΡPDAƷķչı仯Ʒ˫ϢƷ⽫һޱȹƶʱƶʱ4A(κˡκʱ䡢κεص㡢κηʽ)񣬾ϤCEC9680ѾɹԽǰ׶Ρ

δϵԽֶչص㡣ڶֲϵͳ桢Ӧò桢ַչ򲢴档߲ƷΪз֮һֻ򣬶๦ܡܻʤߵĹؼʡҵʿԤ⣬ɹںGPSPDAIJƷΪֻгϵ㡣

ĵַ:http://www.cnonline.org/2002/article/2297.html
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