l(f)ʽľw(yu)c
1l(f)ʽ
l(f)ʽ콵صһNQOLCPQƬwȲM϶l(f)s()ʹñPćˮl(f)rձP܃ȸߜؚB(ti)䄩ğʹ܃ȵ䄩ɚB(ti)sҺB(ti)һNO䡣u
l(f)ʽɌSLC졢ˮxҡPVCQƬЧÓˮsܽMϼˮۡˮˮwȲM
1ͬCͬrlμ_ʽsl(f)ʽĺܱ^l(f)ʽһ_ʽsĺܴԔϵyܼɱҪվϵyMкܼɱ^l(f)ʽһ_OQϵyҪμ_ʽsHHϵyһˮϵyOҪ˹ܚʽsˮã_ʽsɱYˮϵyҪsˮú_ʽsĺ
a.l(f)ʽOˮúɢLCsOHHşLCb.l(f)ʽQOgӓQ᷽ʽýȌQᡢQēQܟˮČQ_ʽsēQ᷽ʽsˮc՚ֱӓQQЧ(yu)gӂ2ͬrl(f)ʽyˮϵy͵ضȣFͬrsCܸ͡ϵyL\е^F(ji)p\Má