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銆€銆€浜�銆佹姇璩囦及绠楃殑绶ㄥ埗鏂规硶
銆€銆€鎸夌収鎴戝湅鐝�(xi脿n)琛岄爡鐩姇璩囩鐞嗚(gu墨)瀹氾紝寤鸿ō闋呯洰寤鸿ō鎶曡硣鎸夌収璨荤敤鎬ц唱(zh矛)鍔冨垎锛屽彲鍒嗙偤寤虹瓚瀹夎宸ョ▼璨�銆佽ō鍌欏強宸ュ櫒鍏疯臣缃不銆佸伐绋嬪缓瑷叾浠栬不鐢�銆侀爯鍌欒不(鍚熀鏈爯鍌欒不鍜屽児宸爯鍌欒不)銆佸浐瀹氳硣鐢�(ch菐n)鎶曡硣鏂瑰悜瑾�(di脿o)绡€(ji茅)绋呭拰寤鸿ō鏈熻哺娆惧埄鎭瓑鍏�(n猫i)瀹广€傞爡鐩姇璩囦及绠楃殑鍏�(n猫i)瀹硅垏妲嬫垚
銆€銆€鐩稿悓浜庡缓瑷爡鐩不鐢ㄦ鎴�(瑕嬬浜岀瘈(ji茅)鍦�22鈥�5)銆�
銆€銆€鏍规摎(j霉)鍦嬪鐧�(f膩)鏀瑰灏嶅缓瑷姇璩囧琛岄潨鎱�(t脿i)鎺у埗銆佸嫊鎱�(t脿i)绠$悊鐨勮姹�銆傚張灏囧缓瑷姇璩囧垎鐐洪潨鎱�(t脿i)鎶曡硣鍜屽嫊鎱�(t脿i)鎶曡硣鍏╅儴鍒�(鍦�22鈥�8)銆傚叾涓缓瑷潨鎱�(t脿i)鎶曡硣閮ㄥ垎鍖呮嫭锛氬缓绛戝畨瑁濆伐绋嬭不銆佽ō鍌欏強宸ュ櫒鍏疯臣缃不銆佸伐绋嬪缓瑷叾浠栬不鐢ㄥ強鍩烘湰闋愬倷璨荤瓑鍏�(n猫i)瀹�;鑰屽嫊鎱�(t脿i)鎶曡硣閮ㄥ垎鍖呮嫭寤鸿ō鏈熷児宸爯鍌欒不(浜︾ū婕插児闋愬倷璨�)銆佸浐瀹氳硣鐢�(ch菐n)鎶曡硣鏂瑰悜瑾�(di脿o)绡€(ji茅)绋呭拰寤鸿ō鏈熻哺娆惧埄鎭€傚湪姒傜畻瀵╂煡鍜屽伐绋嬬宸ユ焙绠椾腑閭勬噳鑰冩叜鍦嬪鎵规簴鏂伴枊寰佺殑绋呰不鍜屽缓瑷湡鍖巼璁婂嫊鑰屽鍔犵殑鎶曡硣鍏�(n猫i)瀹�銆傚缓瑷爡鐩附鎶曡硣涓嶅儏鍖呮嫭闋呯洰鐨勫缓瑷姇璩囩殑闈滄厠(t脿i)閮ㄥ垎锛岃€屼笖閭勫寘鎷缓瑷姇璩囩殑鍕曟厠(t脿i)閮ㄥ垎鍜岄嫪搴曟祦鍕曡硣閲�銆傚畠鏄弽鏄犲畬鎴愪竴鍊嬪缓瑷爡鐩爯瑷堟墍闇€鎶曡硣鐨勭附鍜岋紝鍥犳锛屽缓瑷爡鐩附鎶曡硣涔熸槸涓€鍊嬪畬鏁寸殑鍕曟厠(t脿i)鎶曡硣銆傜偤浜嗛伒寰及瓒虫姇璩囦笉鐣欑己鍙g殑鍘熷墖锛屼笉鍍呰婧栫⒑鍦拌▓绠楀嚭寤鸿ō鎶曡硣鐨勯潨鎱�(t脿i)閮ㄥ垎锛岃€屼笖閭勬噳瑭插瑙€鍦颁及绠楀缓瑷姇璩囩殑鍕曟厠(t脿i)閮ㄥ垎鑸囬嫪搴曟祦鍕曡硣閲�銆傞€欐ǎ闋呯洰鎶曡硣浼扮畻鎵嶈兘鍏ㄩ潰鍦板弽鏄犻爡鐩伐绋嬮€犲児鐨勬鎴�銆�
銆€銆€(涓€)闈滄厠(t脿i)鎶曡硣鐨勪及绠�
銆€銆€闈滄厠(t脿i)鎶曡硣鏄缓瑷爡鐩姇璩囦及绠楃殑鍩虹锛屾墍浠ュ繀闋堝叏闈�銆佹簴纰哄湴閫茶鍒嗘瀽瑷堢畻锛屾棦瑕侀伩鍏嶅皯绠楁紡闋�锛屽張瑕侀槻姝㈤珮浼板啋绠�锛屽姏姹傚垏鍚堝闅�銆傜敱浜庢皯鐢ㄥ缓绛戣垏宸ユキ(y猫)鐢熺敘(ch菐n)闋呯洰鐨勯潨鎱�(t脿i)鎶曡硣浼扮畻鐨勫嚭鐧�(f膩)榛炲強鍏烽珨杈︽硶涓嶅悓锛屼竴鑸儏娉�锛屽伐妤�(y猫)闋呯洰鐨勬姇璩囦及绠楀ぇ澶氫互瑷倷璨荤偤鍩虹閫茶锛岃€屾皯鐢ㄩ爡鐩墖浠ュ缓绛戝伐绋嬫姇璩囦及绠楃偤鍩虹銆傛牴鎿�(j霉)闈滄厠(t脿i)鎶曡硣璨荤敤闋呯洰鍏�(n猫i)瀹圭殑涓嶅悓锛屾姇璩囦及绠楅噰鐢ㄧ殑鏂规硶鍜屾繁搴︿篃涓嶇洝鐩稿悓锛屼互涓嬪皣鍒嗗垾浜堜互浠嬬垂銆�
銆€銆€1.鎸夎ō鍌欒不鐢ㄧ殑鐧惧垎姣斾及绠楁硶(姣斾緥浼扮畻娉�)
銆€銆€瑷倷璩肩疆璨荤敤鍦ㄩ潨鎱�(t脿i)鎶曡硣涓崰鏈夊緢澶ф瘮閲嶃€傚湪闋呯洰瑕�(gu墨)鍔冩垨鍙鎬х爺绌朵腑锛屽皪宸ョ▼鎯呮硜涓嶅畬鍏ㄤ簡瑙�锛屼笉鍙兘灏囨墍鏈夎ō鍌欓枊鍑烘竻鍠�;浣嗘牴鎿�(j霉)宸ユキ(y猫)鐢熺敘(ch菐n)寤鸿ō鐨勭稉(j墨ng)椹�锛岃紨鍔╃敓鐢�(ch菐n)瑷倷銆佹湇鍕欒ō鏂界殑瑁濆倷姘村钩鑸囦富楂旇ō鍌欒臣缃不鐢ㄤ箣闁撳瓨鍦ㄨ憲涓€瀹氱殑姣斾緥闂滅郴锛岄浼煎湴锛岃ō鍌欏畨瑁濊不鑸囪ō鍌欒臣缃不鐢ㄤ箣闁撲篃鏈変竴瀹氱殑姣斾緥闂滅郴銆傚洜姝�锛屽湪灏嶄富楂旇ō鍌欐垨椤炰技宸ョ▼鎯呮硜宸叉湁鎵€浜嗚В鐨勬儏娉佷笅锛屾湁缍�(j墨ng)椹楃殑閫犲児宸ョ▼甯線寰€閲囩敤姣斾緥浼扮畻鐨勮睛娉曚及绠楁姇璩�锛岃€屼笉蹇呭垎闋呭幓瑭崇窗瑷堢畻銆傞€欑ó鏂规硶鍦ㄥ闅涘伐浣滀腑鏈夊緢澶氱殑鎳夌敤锛屼笅鑰屼粙绱瑰叐绋叿楂旇▓绠楁柟娉�銆�
銆€銆€1)浠ユ摤寤洪爡鐩垨瑁濈疆鐨勮ō鍌欒不鐐哄熀鏁�(sh霉)锛屾牴鎿�(j霉)宸插缓鎴愮殑鍚岄闋呯洰鎴栬缃殑寤虹瓚瀹夎宸ョ▼璨诲拰鍏朵粬璨荤敤绛夊崰瑷倷鍍瑰€肩殑鐧惧垎姣�锛屾眰鍑虹浉鎳夌殑寤虹瓚瀹夎鍙婂叾浠栨湁闂滆不鐢�锛屽叾绺藉拰鍗崇偤闋呯洰瑁濈疆鐨勬姇璩囥€傚叕寮忓涓嬶細
銆€銆€C=E(1+ fl Pl +f2P2+ f3 P3)+ I (22鈥�67)
銆€銆€寮忎腑 C鈥曟摤寤洪爡鐩垨瑁濈疆鐨勬姇璩囬
銆€銆€E鈥曟牴鎿�(j霉)鎿缓闋呯洰鎴栬缃殑瑷倷娓呭柈鎸夌暥鏅傜暥?sh霉)璨巖鏍艰▓绠楃殑瑷倷璨�(鍖呮嫭閬嬮洔璨�)鐨勭附鍜�;
銆€銆€Pl 锛孭2锛� P3鈥曞垎鍒ョ偤宸插缓闋呯洰鐨勫缓绛�銆佸畨瑁濆強鍏朵粬宸ョ▼璨荤敤鍗犺ō鍌欒不鐧惧垎姣�;
銆€銆€fl 锛宖2锛� f3鈥曞垎鍒ョ偤鐢变簬鏅傞枔鍥犵礌寮曡捣鐨勫畾椤�銆佸児鏍�銆佽不鐢ㄦ婧栫瓑璁婂寲鐨勭稖鍚堢郴鏁�(sh霉);
銆€銆€I鈥曟摤寤洪爡鐩殑鍏朵粬璨荤敤銆�
銆€銆€2)浠ユ摤寤洪爡鐩腑鐨勬渶涓昏銆佹姇璩囨瘮閲嶈純澶с€佸苟鑸囩敓鐢�(ch菐n)鑳藉姏鐩存帴鐩搁棞鐨勫伐钘濊ō鍌欑殑鎶曡硣(鍖呮嫭閬嬮洔璨诲強瀹夎璨�)鐐哄熀鏁�(sh霉)锛屾牴鎿�(j霉)鍚岄鍨嬬殑宸插缓闋呯洰鐨勬湁闂滅当(t菕ng)瑷堣硣鏂�锛岃▓绠楀嚭鎿缓闋呯洰鐨勫悇灏堟キ(y猫)宸ョ▼(绺藉湒銆佸湡寤恒€侀噰閫�銆佺郸鎺掓按銆佺閬�銆侀浕姘e強闆讳俊銆佽嚜鎺у強鍏朵粬璨荤敤绛�)鍗犲伐钘濊ō鍌欐姇璩囩殑鐧惧垎姣�锛屾摎(j霉)浠ユ眰鍑哄悇灏堟キ(y猫)鐨勬姇璩囷紝鐒跺悗鎶婂悇閮ㄥ垎鎶曡硣璨荤敤(鍖呮嫭宸ヨ棟瑷倷璨�)鐩稿姞姹傚拰锛屽嵆鐐洪爡鐩殑绺借不鐢�銆傚叾琛ㄩ仈寮忕偤锛�
銆€銆€C = E(1+ fl Pl +f2P2+ f3 P3+鈥︹€�)+ I锛� (22鈥�68)
銆€銆€寮忎腑P鍒嗗垾鐐哄悇灏堟キ(y猫)宸ョ▼璨荤敤鍗犲伐钘濊ō鍌欒不鐢ㄧ殑鐧惧垎姣�锛屽叾浣欑铏熷惈缇╁悓寮�(22鈥�67)銆�
銆€銆€2.璩囬噾鍛ㄨ綁(zhu菐n)鐜囨硶
銆€銆€姝ゆ硶姣旇純绨″柈锛屼絾娌掓湁鑰冩叜瑷倷瑕�(gu墨)鏍煎拰鏉愯唱(zh矛)鐨勫樊鐣帮紝鎵€浠ョ簿纰哄害涓嶉珮銆�
銆€銆€4.鐢熺敘(ch菐n)鑳藉姏鎸囨暩(sh霉)娉�
銆€銆€鏍规摎(j霉)宸插缓鎴愮殑銆佹€ц唱(zh矛)椤炰技鐨勫缓瑷爡鐩�(鎴栫敓鐢�(ch菐n)瑁濈疆)鐨勬姇璩囬鍜岀敓鐢�(ch菐n)鑳藉姏锛屼互鍙婃摤寤洪爡鐩�(鎴栫敓鐢�(ch菐n)瑁濈疆)鐨勭敓鐢�(ch菐n)鑳藉姏锛屼及绠楀缓瑷爡鐩殑鎶曡硣椤嶃€傝▓绠楀叕寮忕偤锛�
銆€銆€C2=Cl (22鈥�73)
銆€銆€寮忎腑Cl锛� C2鈥曗€曞垎鍒ョ偤宸插缓椤炰技闋呯洰(鎴栬缃�)鍜屾摤寤洪爡鐩�(鎴栬缃�)鐨勬姇璩囬;
銆€銆€A1锛孉2鈥曗€曞垎鍒ョ偤宸插缓椤炰技闋呯洰(鎴栬缃�)鍜屾摤寤洪爡鐩�(鎴栬缃�)鐨勭敓鐢�(ch菐n)鑳藉姏;
銆€銆€f鈥曗€曠偤涓嶅悓鏅傛湡銆佷笉鍚屽湴榛炵殑瀹氶銆佸柈鍍�銆佽不鐢ㄨ畩鏇寸瓑鐨勭稖鍚堣(di脿o)鏁寸郴鏁�(sh霉);
銆€銆€n鈥曗€曠偤鐢熺敘(ch菐n)鑳藉姏鎸囨暩(sh霉)锛孫鈮鈮�1銆�
銆€銆€鑻ュ凡寤洪浼奸爡鐩�(鎴栬缃�)鐨勮(gu墨)妯″拰鎿缓闋呯洰(鎴栬缃�)鐨勮(gu墨)妯$浉宸笉澶э紝鐢熺敘(ch菐n)瑕�(gu墨)妯℃瘮鍊煎湪0.5锝�2涔嬮枔锛屾寚鏁�(sh霉)n鐨勫彇鍊艰繎浼肩偤l銆�
銆€銆€鑻ュ凡寤洪浼奸爡鐩�(鎴栬缃�)鑸囨摤寤洪爡鐩�(鎴栬缃�)鐨勮(gu墨)妯$浉宸笉澶т簬50鍊嶏紝涓旀摤寤洪爡鐩殑鎿村ぇ鍍呴潬澧炲ぇ瑷倷瑕�(gu墨)鏍间締閬斿埌鏅�锛屽墖n鍙栧€煎湪0.6锝�0.7涔嬮枔;鑻ユ槸闈犲鍔犵浉鍚岃(gu墨)鏍艰ō鍌欑殑鏁�(sh霉)閲忛仈鍒版檪锛宯鐨勫彇鍊煎湪0.8鈥�0.9涔嬮枔銆�
銆€銆€閲囩敤閫欑ó鏂规硶锛岃▓绠楃啊鍠�锛岄€熷害蹇�;浣嗚姹傞浼煎伐绋嬬殑璩囨枡鍙潬锛屾浠跺熀鏈浉鍚�锛屽惁鍓囪宸氨鏈冨澶с€�
銆€銆€[瑙 C2=Cl (缇庡厓)
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