1. ͨϷģ͡ťŻ

2. бṹ

2.1 Ҽӳ㡿ڴ򿪵Ľпó
ơ嵱ǰơ
ڵ㡿õǰڵС
ֵʼʱڵĳʼֵֵΪֵΪĽڵʼֵԲá
ÿýڵ㡿ÿҪʼѡС
롿ǰ,ö


4. ұߵ
ݡʾѡһߡ㡿ڵһ
ݡʾѡһݶӦ
  Ż
ʧܴ  Żݶʧܵ
ֹ  Żﵽֵʱֹͣ
  Żÿһεѡ
Id㣬ע⣬ߡ硿дڣĽڵ͡ݡһ
˳򡿣ִе˳Ҳ˵ִָ˳ûָԶƶִ˳ʱѡΪռ

ʼִŻǰĻ
ֵŻֵ
ʼ  ʼŻ
ֹ  ֹͣŻ
桿  ǰ籣netļ

5. ѾŻ죬ˡ桿⣬ѡߡ硿ҼȻѱݵ㴰ڣȻʹ纯в