?藉???????????¤蒋浠???璧?骞冲?版?ㄨ??-?藉?缁?璁″?锛?8??PMI涓?9.4% 姣?涓???涓???0.1涓??惧????/h1>
????涓???涓??藉?堕??涓???璐???????拌?琛?????/p>
????8??浠锛??堕??涓???璐???????帮?PMI锛?涓?9.4%锛?姣?涓???涓???0.1涓??惧??? 锛??堕??涓????姘村钩?????瑰????
????浠?浼?涓?瑙?妯$??锛?澶у??浼?涓?PMI涓?0.8%锛?姣?涓???涓???0.5涓??惧??? 锛?楂?浜?涓寸???癸?涓???浼?涓?PMI涓?8.9%锛?姣?涓???涓???0.6涓??惧???锛?浣?浜?涓寸???癸?灏???浼?涓?PMI涓?6.6% 锛?姣?涓???涓???0.2涓??惧???锛?浣?浜?涓寸?????
????浠???绫绘???扮??锛??ㄦ?????堕??涓?PMI??5涓???绫绘???颁腑 锛???浜ф???板??渚?搴????????堕?存???板??楂?浜?涓寸???锛??拌?????? ????????搴?瀛????板??浠?涓?浜哄?????颁?浜?涓寸??? ??
??????浜ф???颁负50.8%锛?姣?涓???涓???0.3涓??惧??? 锛?琛ㄦ???堕??涓???浜ф?╁???蹇??
?????拌??????颁负49.5%锛?姣?涓???涓???0.1涓??惧???锛?琛ㄦ???堕??涓?甯??洪??姹????姘村钩?ユ???瑰????
??????????搴?瀛????颁负48.0%锛?姣?涓???涓???0.3涓??惧??? 锛?浠?浣?浜?涓寸???锛?琛ㄦ???堕??涓?涓昏???????搴?瀛?????骞??剁? ??
????浠?涓?浜哄?????颁负47.9%锛?姣?涓???涓???0.1涓??惧??? 锛?琛ㄦ???堕??涓?浼?涓??ㄥ伐???搴︾?ユ???????
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????浜???涓??介???堕??涓???璐???????拌?琛?????/p>
????8??浠 锛????堕??涓????℃椿?ㄦ???颁负50.3%锛?姣?涓???涓???0.2涓??惧???锛?楂?浜?涓寸??? 锛????堕??涓?缁х画淇????╁? ??
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????????环?兼???颁负48.6% 锛?姣?涓???涓???0.7涓??惧???锛?浣?浜?涓寸???锛?琛ㄦ?????堕??涓?????环?兼?讳?姘村钩??骞??剁?????琛?涓??? 锛?寤虹?涓?????环?兼???颁负49.7%锛?姣?涓???涓???0.5涓??惧???癸????′?????环?兼???颁负48.5%锛?姣?涓???涓???0.8涓??惧?????
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????涓???涓??界患??PMI浜у?烘???拌?琛?????/p>
????8??浠锛?缁煎??PMI浜у?烘???颁负50.5%锛?姣?涓???涓???0.3涓??惧??? 锛???缁??浜?涓寸???锛?琛ㄦ?????戒?涓???浜х??ユ椿?ㄦ?讳??╁???????蹇 ??
??????娉?/p>
????1.涓昏?????瑙i??
??????璐???????帮?PMI锛?锛?????杩?瀵逛?涓???璐????????搴﹁??ョ???缁?璁℃????缂??惰?????????锛?瀹?娑电??浜?浼?涓???璐 ????浜??娴???绛???涓????? 锛??????堕??涓??????堕??涓?棰???锛????介??涓????ㄧ????娴?瀹?瑙?缁?娴?璧板?跨????琛??ф???颁?涓?锛??锋??杈?寮虹??棰?娴???棰?璀︿????缁煎??PMI浜у?烘???版??MI????浣?绯讳腑????褰????ㄨ?涓?锛??堕??涓??????堕??涓?锛?浜у?哄???????电??缁煎???????PMI楂?浜?50%? 锛?????缁?娴??讳?杈?涓????╁?锛?浣?浜?50%锛???????缁?娴??讳?杈?涓????剁缉 ??
????2.璋??ヨ????/p>
????娑??????芥?缁?娴?琛?涓???绫汇??锛?GB/T4754-2017锛?涓??堕??涓???31涓??涓?澶х被锛?3200瀹惰??ユ?锋??????堕??涓???43涓??涓?澶х被 锛?4300瀹惰??ユ?锋???
????3.璋??ユ?规?
??????璐????璋??ラ????PS锛?Probability Proportional to Size锛??芥?锋?规?锛?浠ュ?堕??涓??????堕??涓?琛?涓?澶х被涓哄?锛?琛?涓??锋???????跺????煎???ㄩ?ㄥ?堕??涓??????堕??涓?澧????肩??姣??????? 锛?灞????锋??娇?ㄤ?浼?涓?涓昏?ヤ??℃?跺?ユ??姣?渚???姒????藉????
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????4.璁$??规?
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????5.瀛h??璋???/p>
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????8??浠 锛??堕??涓?PMI????9.4%锛????姘村钩杈?涓????????瑰????
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