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　　肉?(rou)、蛋??(dan)、奶??(nai)??，這??(zhe)些??(xie)食??(shi)物?(wu)中??(zhong)含??(han)有??(you)豐??(feng)富??(fu)的??(de)蛋??(dan)白??(bai)質(zhì)??(zhi)??，可??(ke)以??(yi)提??(ti)供??(gong)人??(ren)類?(lei)身??(shen)體??(ti)所??(suo)需??(xu)營??(ying)養(yǎng)??(yang)??。?但??(dan)天??(tian)然??(ran)的??(de)蛋??(dan)白??(bai)質(zhì)??(zhi)難??(nan)以??(yi)發(fā)??(fa)揮??(hui)這?(zhe)些??(xie)功??(gong)能?(neng)??，科??(ke)研??(yan)人??(ren)員??(yuan)需??(xu)要??(yao)對(duì)??(dui)天??(tian)然??(ran)蛋??(dan)白??(bai)質(zhì)??(zhi)的??(de)功??(gong)能??(neng)進(jìn)??(jin)行??(xing)設(shè)??(she)計(jì)??(ji)和??(he)改??(gai)造??(zao)??，才?(cai)能??(neng)使??(shi)它??(ta)成??(cheng)為??(wei)滿??(man)足??(zu)應(yīng)??(ying)用??(yong)需??(xu)求?(qiu)的??(de)產(chǎn)??(chan)品??(pin)??。長??(chang)期??(qi)以?(yi)來??(lai)??，蛋??(dan)白??(bai)質(zhì)??(zhi)設(shè)??(she)計(jì)??(ji)改??(gai)造??(zao)一祝(yi)直??(zhi)面??(mian)臨??(lin)時(shí)??(shi)間?(jian)長??(chang)、成??(cheng)本??(ben)高??(gao)等??(deng)難??(nan)題??(ti)???！　　癆I定??(ding)向??(xiang)進(jìn)??(jin)化??(hua)”指??(zhi) Venus系??(xi)列??(lie)模?(mo)型?(xing)可??(ke)以??(yi)對(duì)??(dui)一??(yi)個(gè)??(ge)不??(bu)盡??(jin)如?(ru)人??(ren)意??(yi)的??(de)蛋??(dan)白??(bai)質(zhì)??(zhi)產(chǎn)??(chan)品??(pin)的??(de)多??(duo)種??(zhong)性??(xing)能??(neng)進(jìn)??(jin)行??(xing)優(yōu)??(you)化??(hua)??。??。