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原標(biāo)題：皇冠x8x8海外华人首页域名

　　總??(zong)的??(de)來??(lai)說??(shuo)??，先??(xian)天??(tian)性??(xing)免??(mian)疫??(yi)的??(de)特??(te)點(diǎn)?(dian)是??(shi)反??(fan)應(yīng)??(ying)快??(kuai)、無??(wu)差??(cha)別??(bie)攻??(gong)擊??(ji)??，但??(dan)缺??(que)乏??(fa)“記?(ji)憶??(yi)功??(gong)能??(neng)”??，無??(wu)法??(fa)針??(zhen)對??(dui)特??(te)定??(ding)敵??(di)人??(ren)提??(ti)升??(sheng)戰(zhàn)??(zhan)斗??(dou)力?(li)??。??　　B細(xì)??(xi)胞??(bao)作??(zuo)為??(wei)“抗??(kang)體??(ti)工??(gong)廠??(chang)”??，能??(neng)針?(zhen)對??(dui)不??(bu)同??(tong)病??(bing)原?(yuan)體??(ti)定??(ding)制??(zhi)特??(te)異??(yi)性??(xing)抗??(kang)體??(ti)??，通??(tong)過??(guo)中??(zhong)和??(he)病??(bing)毒??(du)或?(huo)標(biāo)??(biao)記??(ji)病??(bing)原??(yuan)體??(ti)協(xié)??(xie)助??(zhu)清??(qing)除??(chu)機(jī)??(ji)制??(zhi)；同?(tong)時??(shi)分??(fen)化??(hua)出??(chu)的??(de)記??(ji)憶?(yi)B細(xì)??(xi)胞??(bao)可??(ke)在??(zai)免??(mian)疫秘(yi)結(jié)??(jie)束??(shu)后??(hou)保??(bao)留??(liu)抗??(kang)體??(ti)“圖??(tu)譜??(pu)”??，實(shí)??(shi)現(xiàn)??(xian)快??(kuai)速??(su)二??(er)次??(ci)應(yīng)??(ying)答??(da)??。??。