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　　據秘(ju)了??(le)解??(jie)??，自??(zi)貿?(mao)協(xié)??(xie)定??(ding)優(yōu)??(you)惠??(hui)原??(yuan)產??(chan)地??(di)證??(zheng)是??(shi)訂??(ding)有??(you)自??(zi)由??(you)貿??(mao)易??(yi)協(xié)??(xie)定??(ding)的??(de)經??(jing)濟??(ji)集??(ji)團??(tuan)內??(nei)的??(de)國??(guo)家??(jia)享??(xiang)受?(shou)互??(hu)惠??(hui)、減??(jian)免??(mian)關??(guan)稅??(shui)的??(de)唯??(wei)一??(yi)法??(fa)定??(ding)憑??(ping)證??(zheng)??，此??(ci)類??(lei)協(xié)??(xie)定??(ding)在??(zai)WTO最??(zui)惠??(hui)國??(guo)待??(dai)遇?(yu)(MFN稅??(shui)率??(lv))基??(ji)礎??(chu)上??(shang)??，進?(jin)一?(yi)步??(bu)降??(jiang)低??(di)關??(guan)稅?(shui)和?(he)非??(fei)關??(guan)稅??(shui)壁?(bi)壘??(lei)??，開??(kai)放??(fang)服??(fu)務?(wu)領??(ling)域??(yu)??，改?(gai)善??(shan)市??(shi)場??(chang)準??(zhun)入??(ru)條??(tiao)件??(jian)??，從??(cong)而?(er)形??(xing)成??(cheng)貿?(mao)易??(yi)和??(he)投??(tou)資??(zi)自?(zi)由??(you)化??(hua)的??(de)“特?(te)定??(ding)區(qū)?(qu)域??(yu)”??。??　　據??(ju)了??(le)解??(jie)??，自??(zi)貿??(mao)協(xié)??(xie)定??(ding)優(yōu)??(you)惠?(hui)原??(yuan)產?(chan)地??(di)證??(zheng)是??(shi)訂??(ding)有??(you)自?(zi)由??(you)貿??(mao)易??(yi)協(xié)??(xie)定?(ding)的??(de)經?(jing)濟?(ji)集??(ji)團?(tuan)內??(nei)的??(de)國??(guo)家??(jia)享??(xiang)受??(shou)互??(hu)惠??(hui)、減??(jian)免??(mian)關??(guan)稅??(shui)的??(de)唯??(wei)一??(yi)法??(fa)定??(ding)憑??(ping)證?(zheng)??，此??(ci)類??(lei)協(xié)??(xie)定?(ding)在??(zai)WTO最??(zui)惠??(hui)國??(guo)待??(dai)遇??(yu)(MFN稅??(shui)率??(lv))基??(ji)礎??(chu)上??(shang)??，進??(jin)一??(yi)步?(bu)降?(jiang)低?(di)關??(guan)稅??(shui)和?(he)非??(fei)關??(guan)稅??(shui)壁??(bi)壘??(lei)??，開??(kai)放??(fang)服??(fu)務??(wu)領??(ling)域??(yu)??，改??(gai)善??(shan)市??(shi)場??(chang)準??(zhun)入??(ru)條??(tiao)件??(jian)??，從??(cong)而?(er)形??(xing)成??(cheng)貿??(mao)易??(yi)和??(he)投??(tou)資?(zi)自??(zi)由??(you)化??(hua)的??(de)“特??(te)定?(ding)區(qū)??(qu)域??(yu)”??。??。