
Сʾ:

1. ͨ޸ 1=() Եֲŵ. , ʵֵ. Ĭ1=60 (1=C);
2. ͨСʱֵλԵֲٶ, Сʱֵλʾһ128ʱ;
3. ÿڵʱֵС, ȷʵҪС, ֳ, ͨ־;
4. ֿͨⰴťԴϵͳԴֿѡ, ҲлĿ¼ûбļ;

