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　　三九養(yǎng)生堂記者 鄧肯·蓋伊 報道

精彩|　　在?(zai)中??(zhong)國??(guo)東??(dong)北??(bei)部??(bu)的??(de)吉?(ji)林??(lin)長??(chang)白??(bai)山??(shan)和??(he)西??(xi)南??(nan)部??(bu)的??(de)西??(xi)藏??(zang)日??(ri)喀??(ka)則??(ze)新??(xin)建??(jian)兩??(liang)臺??(tai)40米??(mi)口??(kou)徑??(jing)的??(de)射??(she)電?(dian)望??(wang)遠??(yuan)鏡??(jing)??，一??(yi)方??(fang)面??(mian)將??(jiang)中??(zhong)國??(guo)現(xiàn)??(xian)有??(you)VLBI網??(wang)從??(cong)“四??(si)站??(zhan)一??(yi)中?(zhong)心??(xin)”升??(sheng)級??(ji)為??(wei)“六??(liu)站??(zhan)一??(yi)中??(zhong)心??(xin)”??，另??(ling)一??(yi)方??(fang)面??(mian)??，通?(tong)過??(guo)升??(sheng)級??(ji)“拉?(la)長??(chang)基??(ji)線??(xian)”??，中??(zhong)國??(guo)境??(jing)內??(nei)新?(xin)的??(de)最?(zui)長??(chang)基??(ji)線??(xian)將??(jiang)為??(wei)長?(chang)白??(bai)山??(shan)和??(he)日??(ri)喀??(ka)則??(ze)之??(zhi)間??(jian)約?(yue)3800公??(gong)里??(li)基??(ji)線??(xian)??，超??(chao)過?(guo)原??(yuan)有?(you)上??(shang)海??(hai)和?(he)烏??(wu)魯??(lu)木??(mu)齊??(qi)之??(zhi)間?(jian)約??(yue)3200公??(gong)里??(li)基??(ji)線??(xian)??，最??(zui)大??(da)角??(jiao)分??(fen)辨??(bian)率??(lv)也??(ye)提??(ti)升??(sheng)18%??。??　　為??(wei)確??(que)保??(bao)望??(wang)遠??(yuan)鏡??(jing)在??(zai)東??(dong)北??(bei)的??(de)嚴??(yan)寒??(han)環(huán)?(huan)境??(jing)中??(zhong)正??(zheng)常??(chang)穩(wěn)??(wen)定??(ding)運??(yun)行?(xing)??，長??(chang)白??(bai)山??(shan)40米??(mi)射??(she)電?(dian)望??(wang)遠??(yuan)鏡??(jing)設??(she)計??(ji)上??(shang)采??(cai)用??(yong)整??(zheng)體??(ti)保?(bao)溫??(wen)技??(ji)術??(shu)??，主??(zhu)反??(fan)射??(she)體??(ti)背??(bei)架??(jia)用??(yong)保??(bao)溫??(wen)材??(cai)料??(liao)包??(bao)裹??(guo)??。??同??(tong)時??(shi)??，天??(tian)線??(xian)系??(xi)統(tǒng)??(tong)采??(cai)用??(yong)全??(quan)實??(shi)面?(mian)面?(mian)板??(ban)??，單??(dan)塊??(kuai)面??(mian)板??(ban)經祝(jing)度??(du)好??(hao)于??(yu)80微??(wei)米??(mi)??，主??(zhu)反?(fan)射??(she)體??(ti)面??(mian)型??(xing)經??(jing)度?(du)好??(hao)于??(yu)0.3毫??(hao)米??(mi)??，最??(zui)高??(gao)指??(zhi)向??(xiang)經??(jing)度??(du)好??(hao)于??(yu)5角??(jiao)秒??(miao)??。

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