һڡѡΣѡ 

1.εƱ˳ϵ  ϯƱ˳Ǵ

2.ϯǰĴڽСѡ񡯡ȡ
 ѡǰ ȡú

3.ҼϯʾԸóĲһҪĳһϯ棩
    ƳƳд
    öóΪһ
    һλóһ
    һλó½һ
    գд

4.ȼ Ρ͡ϯ

   Σңϵ¡ӵһгĵһѡϯһѡϯȻεڶг,гдΣ

   ϯϵ£ҡӵһгĵһѡϯڶггȵȵĵһѡϯȻ󵽵һгĵڶѡϯ£

ݶݳֱУ

1.ҼһгʾԸóĲ

    ϸѯҪĸгѡյվûƱԳϸѯ;гվƱš磺ϸѯ A-F,أA-BƱϢA-CƱϢA-**ƱϢϣԸϳƱ,мǣϸѯĲѯٶԭһЩ
    ѡ񳵴ΣѡóΪ
    ȡΣȡóΪ
    öΣóΪһ
    ȫѡΣԳΪ

ʵ ݶ  ϸѯ ֱڡΡ ҪĳκŶ


