??c ° @.? e?"d 9.1 1?? ?"d?1? ?·S è.? e?"d? ?Z?¥ê4 ?1 ^? 3á?? ?"d4¥? ?/ ?· S ? %?¥/ ?·Sμá ?·S?? ?·Sb Baá ?/ ?·S 1áμ S ?×??·SbáμV U 3á?? H ?×?¥?b¨ SV U' 0 e 0 e0 n n n nn S ? = ? = ? á ? ????? e n b ?μM? H 3á? ?¥M?1 ???B?S?- ='1 páμ S l? B? ?′b ?]¥ 3á?áμ¥1 p?] ?/V ? Ub ?Y !! ?Yú5 C ê ?5 ?A £A S?50% S?30% S?5% S?2% 0.2%~0.5% ? 0 e 0 e0 n n n nn S ? = ? = V?è?¥?+???5áμ?l ?¥M×?? ü?úbB?? ?"d? ?TK? ?? H ? ?@áμ¥1 p5  e ? H A ? ?@1 pb 2. ? ?S? D -?μ/ ?¥Kú ? emax n ? £ 3á? ?M? q1 p¥ -4/ ? ? r?¥K? ? emin n -1?1? ?S?¨ DV U' mine emax n n D = ?]¥ 3á?1 p¥? ?S?ò?M] ?/V ? Ub ú5 C ê ?5 G5  5 A? /? éó? 20j120 20j40 2j12 20j30 3j15 10j20 5j30000 ?¨??è  ó?? ? H ? D ^· 3á?¥? ?S? ?[ m D }V?? ?S ? e D }Vè ? ?S?5 me DDD = b 3. ? ?¥ üá? ? ?¥ üá?Yè ^¨ ?M #? ?)¥ ?μ ?? ¥bB?¥? ?S? = V [¤?¥×?? ?) ?? ?¥ üá?üú ?) ? tí?í kv'V U ? ?? V??1í? ?b?]¥ 3á?? ?¥ üá?1 p9?]μ¥?¨μ? ? ' Vμ¥51 pí)? ?b C[?M° @è?è w?Fèa? ?1 è a ü? ?S? DDáμ S-W¥1"b ?m 9.1 ? U ^? ?"dú ??? ? Hè??¥ H?+? wLb m 9.1 ? ?"dú ??? ? 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P ?? 3M?a"dYVQ ? ??? ?'?M?? ? ?1× ?b 3á+?s sá+?¥ "¥sá+?¥?1 "¥ ^s?hlá ? ??a ?v? ?S?4ú "d? ?¥o?b á+?V Uè?¥ ?Dμè @-W¥vl1"b  1òì? { ? {¥1" ·è?è ^ ∑∑ +=+= RInCRInKU aeaed Φ T? ax RRR += ∑ iiè wí ^¥9èE x R ii V e? @è÷¥?r =E  ?? @Ma ? üoè F ?¥èE  a R iiè?¥è wèEb · V eA?(?è ^ ! V eA?(?è ^¥bv ?1 2 K 5 k2d UKU ≈ ·bv è ^ !bv ¥bv ?1 p K 5 )(? fgpPk UUKUKU ?== ·Q ?è ^ ?Q ??|èa f U D ? n??1 !bv" ?1' cf K 5 nKU cff =  2á+? ?  ? ? ? ? ? ? ? = ?= = += ∑ nKU UUKU UKU RInCU a cff cfgpk k2d ed )( >ì"d¥á+? 5 7 ???= + ? + = == + ? = +=? +=? += ∑ ∑ ∑ ∑ ∑ fof e a e gG e cfp2 p2G ecfp2 agp2 aefp2gp2 aefgp2 aek2 )1()1( c )( nn KC RI KC UK n C KKK KKKK CKKK RIUKK n RInCnKKKUKK RInCUUKK RInCUK ? T? 2pG KKK = iiVbv  { ? ? V e? @è ^ { ¥èabv ? 2p e cf KK C K K = ii>ì"d¥ 7ìbv ?b ?T"d àμ ?μQ ? ' 7ì"d H5? @ ¥ {èa ∑ +=== RInCUKUKKU aegGg2pd ?N V¤ 7ì"d¥?+?Z? 7ì"d¥á+????=?= ∑ nnI C R C UK n ? 0a ee gG  3sD2 ? 1? 7ì"d?>ì"d¥á+?? 4 A ·ó?èaB? 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