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　　免??(mian)疫??(yi)系??(xi)統(tǒng)??(tong)的??(de)核??(he)心??(xin)使??(shi)命??(ming)不??(bu)是??(shi)“消?(xiao)滅??(mie)一??(yi)切??(qie)”??，而??(er)是??(shi)識(shí)??(shi)別??(bie)敵??(di)我??(wo)、清??(qing)除??(chu)威??(wei)脅??(xie)??。??　　免??(mian)疫??(yi)系??(xi)統(tǒng)??(tong)的??(de)發(fā)?(fa)育??(yu)如??(ru)同??(tong)建??(jian)造??(zao)一??(yi)座??(zuo)城??(cheng)堡??(bao)??，需??(xu)要?(yao)從??(cong)地??(di)基??(ji)開(kāi)??(kai)始??(shi)逐??(zhu)步?(bu)完??(wan)善??(shan)??。?PMWVWZPTHJqibao666888　　mian ??(mian)yi ??(yi)xi ??(xi)tong ??(tong)de ??(de)he ??(he)xin ??(xin)shi ??(shi)ming ??(ming)bu ??(bu)shi ??(shi)“xiao ?(xiao)mie ??(mie)yi ??(yi)qie ??(qie)”??，er ??(er)shi ??(shi)shi ??(shi)bie ??(bie)di ??(di)wo ??(wo)、qing ??(qing)chu ??(chu)wei ??(wei)xie ??(xie)??。??　　mian ??(mian)yi ??(yi)xi ??(xi)tong ??(tong)de ??(de)fa ?(fa)yu ??(yu)ru ??(ru)tong ??(tong)jian ??(jian)zao ??(zao)yi ??(yi)zuo ??(zuo)cheng ??(cheng)bao ??(bao)??，xu ??(xu)yao ?(yao)cong ??(cong)di ??(di)ji ??(ji)kai ??(kai)shi ??(shi)zhu ??(zhu)bu ?(bu)wan ??(wan)shan ??(shan)??。?