s~ӦΪҵϢϵͳΪעʦҪƶ绯ϢϵyҪֶƼĿǰЩƼ̽оСĽͶlf졢Ϣϵy͵ؼҪصƼһҪܡ
һ|ݿ?
ϢlĻ£ݵֽݎ컯һַչơϢϵyݿļעؽ⡣nֹϰ߳עʦעǣӦӋȡ֤ݣЩ֤ݽۣжǷʵɿdϹ档ķͼܶ࣬ĽҪּ
(һ)ȡCȽۺ
`Ϊеһܳ飬ƳͨQעʹrҪxȡ~ͲͿҪȡInּƽrļD?ETⲿעʦΪϵGն?ҲⲿƟͳУעʦһһҵKǏUʵӋaӦõČãעrȡϵyIҪעشIT㼰ʱؔĽݵ?
1.ȡCƩԜ飬ҪI5ԪJ۵J۵15%IQҪ鹺ԭϱȱ׃r?%IЩIǸҪr൱ӵģÊA?
2.ȽrۺָIݿCȡIֱɼhĺϼؚҔ^ӳȎŪϢͿܵͬʎŲɾͬҟۺLۺϵ֤ݡڴ˻ϣעʦД͌ƵϢϵX켰ϵyrĽ?
()Ƕr
ϢϵyҪԺrDAʦһһǶ뱻ϵyУɼĵĹؼnͬrǶƳԡȫԺȶԣע|ЩƳhɵnԣעЩƳhҪռC|rЩCļЩCݿrжϵyƽ?
ǶijɼCļһʹ\ij(ij)δijļʹϵyĻCļ`ڷԲǷdzЧģͬʱijЩҲʵnּҪϵͳʎŪһ\ҪϢϵͷQAɵijЎŪǿҎ
()rݼG
rֹͬ۷ƱһEͬӲͬr䛘IݱnЩһƼCܣT㱣ݵʵԺͿɿԡַҲǎŻҪֶΡּӦҪԤȽVGױݵӋ?
()ƿֶ
ƿֶָĿֶ뱻Ϣϵrļ¼ҵһֹϵҵP{n惦rһռCnֶָһֶ()ϵйؼܵĹؼnһֶοƼCCIrһwѿՊϢϵyУTCֶμصͿɿֶξIĴ߲T{ݴ۸Ļ졣ƿփ롢ϵһwͿһɿÿֶΣȻҲṩ˷ӛϵͳʱעʦӦ֚䓅~ںϵϢϵͳȥԱȏUXİȫ?