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һPI~RҪ
иԇĵһPIǣ~һҪ҂֪иĆ~^ȥи@ӵڅ^ȥиxֻ350ÿƪиӵ700ÿƪ~RĿȻ^~Rռıؑԓx}Ŀ1/4ң҂چ~@һPһܺõͻƵԒڿиǷdzЎиx͘˜ҲҪ҂8ǧҵ~R@ӵ~RͬWxһĕrČWЎͬWһ²xϵϵK
ڶPI Ҫ
ڶPIЇf һҪһҪſ҂ҲѸ߷Wĵúʹҹһ¡@ЩͬWĂ俼^У҂l(f)F(xin)һcеĸ߷ͬW һǷdzďʲô?иЬF(xin)ĿҪ҂ һK҂
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PIӛPӛиc
Ҳиɹ俼PI֮һl(f)F(xin)и߀һЩ@Ҳ҂ڽ̌W^̮к҂ώڷeOиԇ^аl(f)F(xin)һҪ——и߀e(c)ؿһWӛPӛʲô@ôf? һ һξ56^ȥˣ ^Л]}ĿF(xin)f@ԺŽo}ȥ} ^̮ҪӛPӛȻ(j)ĹPӛȥش}Ԓش÷dzI(y)ZҲһӵģZ俼ӛPӛZ3456}ҪӛPӛ3456}Ҫ҂C xă(ni)ȥ^ش}x fCһoՓx߀ ϶Ҫ҂ӛPӛdzdzڌҲһӵģֵľCόҪ҂xһƪ һƪȻٌPӛӛñ^õԒǺЎ҂l(f)F(xin)䌍иPI Ҫã~RҪپѸԼӛPӛ@Щиĸ߷䌍·Ɍ
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@fӛPӛWnõdzPIF(xin)ھպ@@҂WoՓxҲ߀xҲãijɹҲЎ҂˸XиĵɹPIΰѹPӛӛøһЩ
һPIcģ VS TPO
ĂPIcǿǰһҪ fx헵ߴֻҪкҎ(gu)ͲІ}ǰģи߷ǷdzPI҂F(xin)ҲѺl(f)еęĿԇo̲ȫM^ˣĵɵĽ̲ģ߀һЩijĽ̲ȫMM҂@Щ
@֮⣬ҿETSľW(wng)վһa(chn)ƷTPO@}u30@Щ}Ŀ҂feFʲô?ETSи}䌍^ȥ^}ԺܶͬWԺl(f)F(xin)ķ֔(sh)͌H֔(sh)HиԇyһģһӵġTPOϙCMпԇ@ӾͽoVӿԇͬWṩϙC͌(zhn)ęC
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ЇfoՓκοԇֻҪ(jng)^ģM}ӖܿóɿҲţֻҪ҂}ʮW(wng)jˎиԇĆ}ܿMijɿ