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<h2>2015涓婇珮椤瑰叏鍥藉墠50鍚嶆€荤粨鐨勭煡璇嗙偣鍒嗕韩锛?1锛?/h2>
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<p id="xgzximg"></p><p>浠ヤ笅鍐呭鎽樿嚜淇＄缃戣鍧涙枃绔狅細<a href="https://www.fzyzx.cn/bbs/ShowForum-578407-1.htm">鎴戞槸杩欐牱杩囬珮椤圭殑锛?8锛?3锛?2锛?/a></p>
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銆愮泩浜忓钩琛＄偣銆戣绠楀叕寮忥細 <br />
bep=tfc/锛坧-vc锛?<br />
tfc锛氭€诲浐瀹氭垚鏈?<br />
p锛氫骇鍝佸崟浣嶅敭浠?<br />
vc锛氬崟浣嶅彲鍙樻垚鏈?<br />
锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛?<br />
銆愬伐浣滈噺銆?椤圭洰瑙勬ā/鍗曚釜璧勬簮鐨勫伐浣滄晥鐜?<br />
銆愭椿鍔ㄥ巻鏃躲€?宸ヤ綔閲?浜哄姏璧勬簮鏁伴噺 <br />
锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛?<br />
鎸塭ia/tia586 缁撴瀯鍖栧竷绾匡紝rj45澶翠及绠楀叕寮忥細 <br />
x涓俊鎭偣锛岄渶瑕亁锛?锛? 15锛咃級涓猺j45姘存櫠澶淬€?<br />
锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛?<br />
ev锛氬埌鏃㈠畾鏃堕棿娈碉紝瀹為檯瀹屾垚宸ヤ綔鐨勯绠楁垚鏈紝鍗冲畬鎴愬伐浣滅殑棰勭畻鍊?<br />
ac锛氬凡瀹屾垚宸ヤ綔瀹為檯鎴愭湰 <br />
pv锛氬埌鏃㈠畾鏃堕棿鐐硅鍒掑畬鎴愭椿鍔ㄧ殑棰勭畻鎴愭湰锛屽嵆搴旇瀹屾垚澶氬皯宸ヤ綔 <br />
cpi锛氭垚鏈亸宸寚鏁?<br />
spi锛氳繘搴﹀亸宸寚鏁?<br />
bac锛氬畬宸ラ绠楋紝璁″垝椤圭洰瀹屾垚鏃剁殑鍏ㄩ儴鎴愭湰锛?<br />
tcpi锛氬緟瀹屽伐鎴愭湰缁╂晥绯绘暟 <br />
etc锛氬墿浣欏伐浣滄垚鏈?<br />
eac 瀹屽伐浼扮畻锛岄璁¤瀹氶」鐩寖鍥村畬鎴愭椂椤圭洰鐨勯璁℃€绘垚鏈?<br />
<br />
銆愭垚鏈亸宸甤v= ev-ac銆?<br />
1銆乧v=0鎸夐绠楄繘琛岋紝 <br />
2銆乧v<0鎴愭湰瓒呮敮 鎴愭湰缁╂晥涓嶅ソ <br />
3銆乧v>0 鎴愭湰鑺備綑 缁╂晥鑹ソ <br />
<br />
銆愯繘搴﹀亸宸畇v=ev-pv 銆?<br />
1銆乻v=0鎸夎鍒掕繘搴﹁繘琛岋紝 <br />
2銆乻v<0 杩涘害婊炲悗锛岃繘灞曚笉濂?<br />
3銆乻v>0杩涘害瓒呭墠锛岃繘灞曡壇濂?<br />
<br />
銆恈pi=ev/ac銆?<br />
1銆乧pi=1 鎸夐绠楄繘琛?<br />
2銆乧pi <1鎴愭湰瓒呮敮锛岃祫閲戜娇鐢ㄦ晥鐜囦綆锛屾垚鏈哗鏁堜笉濂?<br />
3銆乧pi >1鎴愭湰鑺傜渷銆?<br />
<br />
銆恠pi=ev/pv銆?<br />
1銆乻pi =1 鎸夎鍒掕繘搴︽墽琛?<br />
2銆乻pi <1杩涘害婊炲悗銆佹晥鐜囦綆銆佽繘灞曞樊 <br />
3銆乻pi >1杩涘害瓒呭墠銆佹晥鐜囬珮銆佽繘灞曞ソ <br />
<br />
鎸ｅ€煎垎鏋愪腑锛岃繘搴︿篃鍙敤涓嬫柟娉曡繘琛岃绠?<br />
spi=ev/pv ? ->? ev=pv锛妔pi <br />
etc=锛坆ac-ev锛?spi <br />
eac=ac etc <br />
濡傦細鍒扮洰鍓嶄负姝紝宸插伐浣滀簡3涓湀锛屽叏閮ㄥ伐鏈熶负5涓湀锛屽埌鐩墠涓烘spi璁＄畻涓?.2 <br />
鍒欙細鍒扮洰鍓嶆專鐨勮繘搴v=3锛?.2=3.6涓湀 <br />
鍏稿瀷鎬у垎鏋愬垯etc=锛?-3.6锛?1.2=1.17锛堟湀锛?<br />
鍒欐€昏繘搴ac=3 1.17=4.17锛堟湀锛?<br />
鍒欏彲杈冨師璁″垝鎻愬墠5-4.17=0.83锛堟湀锛?<br />
<br />
寰呭畬宸ユ垚鏈哗鏁堢郴鏁般€恡cpi=锛坆ac-ev锛?锛坆ac-ac锛夈€?<br />
<br />
銆恊tc棰勬祴鏂规硶銆?<br />
1銆佸熀浜庢柊浼扮畻锛氫笉鐢ㄨ绠楀叕寮忥紝鐙珛瀹屾垚鍓╀綑宸ヤ綔浼扮畻锛岄渶鑰冭檻鐩墠璧勬簮缁╂晥鍜岀敓浜х巼 <br />
2銆佸綋鍓嶅亸宸潪鍏稿瀷锛岄鏈熷洟闃熶互鍚庝笉浼氬彂鐢熺被浼煎亸宸?<br />
etc=bac-ev <br />
3銆佸綋鍓嶅亸宸槸鍏稿瀷鐨勶紝鍙唬琛ㄦ湭鏉ュ亸宸?<br />
etc=锛坆ac-ev锛?cpi <br />
<br />
銆恊ac棰勬祴鏂规硶銆?<br />
1銆佸熀浜庢柊浼扮畻锛氫笉鐢ㄨ绠楀叕寮忥紝鐢ㄤ簬鍘熶及绠楁湁鏍规湰鎬х己闄愭垨鐢变簬鏉′欢鍙樺寲锛屽師浼扮畻涓嶆垚绔?<br />
eac=ac etc <br />
2銆侀潪鍏稿瀷鍋忓樊锛屼笖棰勬湡鍥㈤槦浠ュ悗涓嶄細鍙戠敓绫讳技鍋忓樊 <br />
eac=ac 锛坆ac-ev锛?<br />
3銆佸吀鍨嬪亸宸紝鍙唬琛ㄦ湭鏉ュ亸宸?<br />
etc= ac 锛坆ac-ev锛?cpi <br />
鎴杄ac=锛坅c/ev锛夛紛bac=bac/cpi <br />
<br />
鏅€氬勾閲戠粓鍊艰绠楀叕寮忥細 <br />
f=a锛妠[锛? i锛塣n-1]/i} <br />
f锛氬勾閲戠粓鍊?<br />
a锛氭瘡骞存敮浠樼殑閲戦 <br />
i锛氬勾鍒╃巼 <br />
n锛氭湡鏁?<br />
<br />
宸茶捶娆緎鍏冿紝n骞磋繕璐锋湡锛屽勾鍒╃巼i,鍒欐瘡骞寸瓑棰濊繕娆綼鐨勫叕寮忥細 <br />
a=[s锛奿锛婏紙1 i锛塣n]/[锛? i锛塣n-1] <br />
<br />
銆愰闄╂洕鍏夊害銆?<br />
銆愰闄╂洕鍏夊害銆?閿欒鍑虹幇鐜囷紙鎴栭闄╁嚭鐜扮巼锛夛紛椋庨櫓閫犳垚鐨勬崯澶憋紙鎴栭闄╂崯澶憋級 <br />
<br />
锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛?<br />
鎴愭湰鍔犳縺鍔卞悎鍚岃绠楋紝涔版柟瀹為檯闇€瑕佹敮浠樼殑璐圭敤涓猴細 <br />
銆愬悎鍚屽疄闄呮€讳环銆?鍗栨柟鐨勫疄闄呮垚鏈?鍗栨柟鐨勭洰鏍囧埄娑?锛堝悎鍚岀殑鐩爣鎴愭湰-鍗栨柟鐨勫疄闄呮垚鏈級锛婂崠鏂瑰簲鎵挎媴姣斾緥 <br />
浣嗗簲娉ㄦ剰涓婂紡涓細“鍗栨柟鐨勭洰鏍囧埄娑?锛堝悎鍚岀殑鐩爣鎴愭湰-鍗栨柟鐨勫疄闄呮垚鏈級锛婂崠鏂瑰簲鎵挎媴姣斾緥”涓庡悎鍚屼腑瑙勫畾鐨?ldquo;鏈€澶ц垂鐢ㄥ拰鏈€灏忚垂鐢?rdquo; <br />
鑻ワ細 <br />
1銆?ldquo;鍗栨柟鐨勭洰鏍囧埄娑?锛堝悎鍚岀殑鐩爣鎴愭湰-鍗栨柟鐨勫疄闄呮垚鏈級锛婂崠鏂瑰簲鎵挎媴姣斾緥”≥鏈€澶ц垂鐢紝鍒欏悎鍚屽疄闄呮€讳环=鍗栨柟鐨勫疄闄呮垚鏈?鏈€澶ц垂鐢?<br />
2銆?ldquo;鍗栨柟鐨勭洰鏍囧埄娑?锛堝悎鍚岀殑鐩爣鎴愭湰-鍗栨柟鐨勫疄闄呮垚鏈級锛婂崠鏂瑰簲鎵挎媴姣斾緥”≤鏈€灏忚垂鐢紝鍒欏悎鍚屽疄闄呮€讳环=鍗栨柟鐨勫疄闄呮垚鏈?鏈€灏忚垂鐢?<br />
锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛?<br />
绛変环浠ｇ爜琛?[锛堥噸鏂拌璁★紖 閲嶆柊缂栫爜锛?閲嶆柊娴嬭瘯锛咃級/3]锟藉凡鏈変唬鐮佽 <br />
锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛?<br />
娌熼€氭笭閬揷c = n锟斤紙n-1锛?2 <br />
n:琛ㄧず鏈夊灏戜汉 <br />
锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛?<br />
銆愰闄┿€?濞佽儊锟藉急鐐癸拷褰卞搷 <br />
锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛婏紛锛?<br />
甯哥敤鐨勪笉纭畾鍨嬪喅绛栫殑鍑嗗垯鏈夛細 <br />
銆愪箰瑙備富涔夊噯鍒欙紙“澶т腑鍙栧ぇ”锛夈€戯細棣栧厛锛岀‘瀹氭瘡涓€鍙€夋柟妗堢殑鏈€澶у埄娑﹀€硷紱鐒跺悗锛屽湪杩欎簺鏂规鐨勬渶澶у埄娑︿腑閫夊嚭涓€涓渶澶у€硷紝涓庤鏈€澶у€肩浉瀵瑰簲鐨勯偅涓彲閫夋柟妗堜究鏄喅绛栭€夋嫨鐨勬柟妗堛€?<br />
<br />
銆愭偛瑙備富涔夊噯鍒欍€戯細棣栧厛纭畾姣忎竴鍙€夋柟妗堟渶灏忔敹鐩婂€硷紝鐒跺悗浠庤繖浜涙柟妗堟渶灏忔敹鐩婂€间腑锛岄€夊嚭涓€涓渶澶у€硷紝涓庤鏈€澶у€肩浉瀵瑰簲鐨勬柟妗堝氨鏄喅绛栨墍閫夋嫨鐨勬柟妗堛€?<br />
<br />
銆愭姌涓富涔夊噯鍒欍€戯細鍐崇瓥鑰呯‘瀹氫竴涓箰瑙傜郴鏁?epsilon;锛?.5锛?锛夛紝杩愮敤涔愯绯绘暟璁＄畻鍑哄悇鏂规鐨勪箰瑙傛湡鏈涘€硷紝骞堕€夋嫨鏈熸湜鍊兼渶澶х殑鏂规銆傚涔愯绯荤粺涓?epsilon;锛屽垯鏌愭柟妗堟湡鏈涘€?ε锛婅鏂规涓渶澶ф敹鐩婂€?锛?-ε锛夛紛璇ユ柟妗堜腑鏈€灏忔敹鐩婂€硷紝鐒跺悗閫夋嫨鎵€鏈夋柟妗堜腑鏈熸湜鍊兼渶澶х殑鏂规銆?<br />
<br />
銆愮瓑鍙兘鍑嗗垯銆戯細鍋囧畾鑷劧鐘舵€佷腑浠讳綍涓€绉嶅彂鐢熺殑鍙兘鎬ф槸鐩稿悓鐨勶紝閫氳繃姣旇緝姣忎釜鏂规鐨勬崯鐩婂钩鍧囧€兼潵杩涜鏂规鐨勯€夋嫨锛屽湪鍒╂鼎鏈€澶у寲鐩爣涓嬶紝閫夊彇骞冲潎鍒╂鼎鏈€澶х殑鏂规锛屽湪鎴愭湰鏈€灏忓寲鐩爣涓嬮€夋嫨骞冲潎鎴愭湰鏈€灏忕殑鏂规銆?<br />
<br />
銆愬悗鎮斿€煎噯鍒欍€戯細棣栧厛瑕佸皢鍐崇瓥鐭╅樀浠庡埄娑︾煩闃佃浆鍙樹负鏈轰細鎹熷け鐭╅樀锛涚劧鍚庣‘瀹氭瘡涓€鍙€夋柟妗堢殑鏈€澶ф満浼氭崯澶憋紱鍐嶆锛屽湪杩欎簺鏂规鐨勬渶澶ф満浼氭崯澶变腑锛岄€夊嚭涓€涓渶灏忓€硷紝涓庤鏈€灏忓€煎搴旂殑鍙€夋柟妗堜究鏄喅绛栭€夋嫨鐨勬柟妗堛€?/p>
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