ûֽˣǰ쿴һ15
һԣСԺļһͼһֽҲָ֧ƺճʽ
ֲֺ֪Ի1Сʱôһͼ
cad16Ժ汾ûκơһ뱣֤D̡Ϊ˼ûѡԹ̶һD\ftĿ¼

ϣϲ-ز

ft
ĬĿ¼d:\ft
ʽ(1)룺ft  2ѡҪͼ 3ļ 4ԶɺĿ¼
ע⣺ƾ򵥣
磺1  ʾ1㽨
         2L ʾ2
         2B ʾ2
ȽϺңҲȽϺ

