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　　攤??(tan)開??(kai)地??(di)圖??(tu)??，云??(yun)南??(nan)與??(yu)緬??(mian)甸?(dian)、老??(lao)撾??(wo)、越??(yue)南??(nan)接??(jie)壤??(rang)??，與??(yu)泰??(tai)國??(guo)和??(he)柬??(jian)埔??(pu)寨??(zhai)通??(tong)過??(guo)瀾??(lan)滄??(cang)江??(jiang)—湄??(mei)公??(gong)河??(he)相??(xiang)連??(lian)??，是??(shi)我??(wo)國??(guo)通??(tong)往??(wang)南??(nan)亞??(ya)、東??(dong)南?(nan)亞??(ya)的??(de)重??(zhong)要??(yao)門??(men)戶??(hu)?。??　　以??(yi)開??(kai)放??(fang)為??(wei)支??(zhi)點(diǎn)??(dian)??，我??(wo)國??(guo)廣??(guang)袤??(mao)西??(xi)部??(bu)地??(di)區(qū)??(qu)正??(zheng)從??(cong)一??(yi)度??(du)較??(jiao)為??(wei)封??(feng)閉??(bi)的??(de)“末??(mo)梢??(shao)”??，成??(cheng)為??(wei)越??(yue)來??(lai)越??(yue)開??(kai)放??(fang)的??(de)“前??(qian)沿??(yan)”??。??。