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學習快評丨qibao666888　　凌??(ling)晨??(chen)兩??(liang)點??(dian)?，“雪??(xue)龍??(long)2”號??(hao)抵?(di)達??(da)重??(zhong)力??(li)柱??(zhu)作??(zuo)業(yè)??(ye)的??(de)預??(yu)定??(ding)位??(wei)置??(zhi)??。??從??(cong)海??(hai)面??(mian)到??(dao)海??(hai)底??(di)超??(chao)過??(guo)2800米??(mi)?，要??(yao)想??(xiang)給??(gei)地??(di)球??(qiu)“打?(da)針??(zhen)”?，怎??(zen)么??(me)才??(cai)能??(neng)保??(bao)證??(zheng)不??(bu)打??(da)偏??(pian)呢?(ne)？??船??(chuan)上??(shang)啟??(qi)動??(dong)了??(le)動??(dong)力??(li)定??(ding)位??(wei)系??(xi)統(tǒng)??(tong)???！　「??(gen)據(jù)??(ju)初??(chu)步??(bu)分??(fen)析??(xi)??，這??(zhe)次?(ci)重??(zhong)力??(li)柱??(zhu)作??(zuo)業(yè)??(ye)順??(shun)利??(li)獲?(huo)得??(de)海??(hai)底??(di)沉??(chen)積??(ji)物??(wu)樣??(yang)品??(pin)??，可??(ke)以??(yi)說??(shuo)是??(shi)成??(cheng)功?(gong)的??(de)給??(gei)地??(di)球??(qiu)“打?(da)了??(le)一??(yi)針??(zhen)”??。??隨??(sui)著??(zhe)科??(ke)考??(kao)隊??(dui)員??(yuan)回??(hui)國??(guo)后??(hou)深??(shen)入??(ru)分??(fen)析??(xi)和??(he)研??(yan)究??(jiu)??，將??(jiang)推??(tui)動??(dong)我??(wo)國??(guo)進??(jin)一??(yi)步??(bu)認??(ren)識??(shi)南??(nan)極??(ji)、保??(bao)護??(hu)南??(nan)極??(ji)??。。