鎸ｅ�肩鐞嗗叕寮?/p>
PV=
璁″垝鍗曚环
*
璁″垝宸ヤ綔閲?/p>
EV=
璁″垝鍗曚环
*
瀹為檯宸ヤ綔閲?/p>
AC=
瀹為檯鍗曚环
*
瀹為檯宸ヤ綔閲?/p>
BAC=
璁″垝鍗曚环
*
璁″垝鎬诲伐浣滈噺
BAC-EV=
璁″垝鍗曚环
*
锛堣鍒掓�诲伐浣滈噺
-
瀹為檯宸ヤ綔閲忥級
=
璁″垝鍗曚环
*
鍓╀綑宸ヤ綔閲?/p>
=
鍓╀綑宸ヤ綔鎵�闇�鐨勯挶
瀹屽伐鏃讹紝涓斿伐浣滆寖鍥翠笉鍙樼殑鎯呭喌涓嬶細
PV=
璁″垝鍗曚环
*
璁″垝鎬诲伐
=BAC
EV=
璁″垝鍗曚环
*
瀹為檯鎬诲伐锛堣鍒掓�诲伐锛?/p>
=BAC
PV=EV=BAC
SV=EV-PV=0,SPI=EV/PV=1
鍋忓樊鍒嗘瀽锛屽噺娉曪紝
0
锛?/p>
CV
涓?/p>
SV
CV=EV-AC=
瀹為檯宸?/p>
*
锛堣鍒掑崟浠?/p>
-
瀹為檯鍗曚环锛?/p>
>0
锛岃鍒掑崟浠?/p>
>
瀹為檯鍗曚环锛岃妭鐪侊紝濂斤紒
锛?/p>
锛?/p>
<0
锛岃鍒掑崟浠?/p>
<
瀹為檯鍗曚环锛岃秴鏀紝涓嶅ソ锛?/p>
锛?/p>
锛?/p>
SV=EV-PV=
璁″垝鍗曚环
*
锛堝疄闄呭伐浣滈噺
-
璁″垝宸ヤ綔閲忥級
>0
锛屽疄闄呭伐浣滈噺
>
璁″垝宸ヤ綔閲忥紝瓒呭墠锛屽ソ锛?/p>
锛?/p>
锛?/p>
<0
锛屽疄闄呭伐浣滈噺
<
璁″垝宸ヤ綔閲忥紝婊炲悗锛屼笉濂斤紒
锛?/p>
锛?/p>
缁╂晥鍒嗘瀽锛岄櫎娉曪紝
1
锛?/p>
CPI
涓?/p>
SPI
CPI=EV/AC=
璁″垝鍗曚环
/
瀹為檯鍗曚环
>1
锛岃鍒掑崟浠?/p>
>
瀹為檯鍗曚环锛岃妭鐪侊紝濂斤紒
锛?/p>
锛?/p>
<1
锛岃鍒掑崟浠?/p>
<
瀹為檯鍗曚环锛岃秴鏀紝涓嶅ソ锛?/p>
锛?/p>
锛?/p>
SPI=EV/PV=
瀹為檯宸ヤ綔閲?/p>
/
璁″垝宸ヤ綔閲?/p>
>1
锛屽疄闄呭伐浣滈噺
>
璁″垝宸ヤ綔閲忥紝瓒呭墠锛屽ソ锛?/p>
锛?/p>
锛?/p>
<1
锛屽疄闄呭伐浣滈噺
<
璁″垝宸ヤ綔閲忥紝婊炲悗锛屼笉濂斤紒
锛?/p>
锛?/p>
EV
鍦ㄥ墠鎴栧湪涓婏紝澶т簬鐨勯兘鏄ソ鐨勶紱
鎴愭湰鍜?/p>
AC
鏈夊叧锛岃繘搴﹀拰
PV
鏈夊叧銆?/p>
瓒嬪娍鍒嗘瀽锛岄娴嬶紝
EAC
涓?/p>
ETC
涓?/p>
TCPI
涓?/p>
VAC
EAC
锛屽畬宸ヤ及绠楋紝
EAC=AC+ETC
---
闈炲吀锛屽鑰佹潕浣忛櫌锛?/p>
EAC=AC+(BAC-EV)
---
鍏稿瀷锛岃�佹潕杈炶亴锛?/p>
EAC=BAC/CPI
---
澶嶆潅锛?/p>
EAC=AC+(BAC-EV)/(CPI*SPI)
ETC,
瀹屽伐灏氶渶浼扮畻
锛?/p>
ETC=EAC-AC
---
闈炲吀锛岃�佹潕浣忛櫌锛?/p>
ETC=AC+(BAC-EV)-AC