色五月丁香六月欧美综合

　　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??(dui)天?(tian)然??(ran)蛋??(dan)白??(bai)質(zhì)??(zhi)的??(de)功??(gong)能??(neng)進??(jin)行??(xing)設??(she)計??(ji)和??(he)改??(gai)造??(zao)??，才??(cai)能??(neng)使??(shi)它??(ta)成??(cheng)為??(wei)滿??(man)足??(zu)應??(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??(she)計??(ji)改??(gai)造??(zao)一??(yi)直??(zhi)面??(mian)臨?(lin)時??(shi)間??(jian)長??(chang)、成??(cheng)本??(ben)高??(gao)等??(deng)難??(nan)題??(ti)??。PLVOIGPNJCqibao666888　　rou ??(rou)、dan ??(dan)、nai ??(nai)??，zhe ??(zhe)xie ??(xie)shi ??(shi)wu ??(wu)zhong ?(zhong)han ??(han)you ??(you)feng ??(feng)fu ??(fu)de ??(de)dan ??(dan)bai ??(bai)zhi ??(zhi)??，ke ??(ke)yi ??(yi)ti ??(ti)gong ?(gong)ren ??(ren)lei ??(lei)shen ??(shen)ti ??(ti)suo ?(suo)xu ??(xu)ying ??(ying)yang ??(yang)??。??dan ??(dan)tian ??(tian)ran ??(ran)de ??(de)dan ??(dan)bai ??(bai)zhi ??(zhi)nan ??(nan)yi ??(yi)fa ??(fa)hui ?(hui)zhe ??(zhe)xie ??(xie)gong ??(gong)neng ??(neng)??，ke ??(ke)yan ??(yan)ren ??(ren)yuan ??(yuan)xu ??(xu)yao ?(yao)dui ??(dui)tian ?(tian)ran ??(ran)dan ??(dan)bai ??(bai)zhi ??(zhi)de ??(de)gong ??(gong)neng ??(neng)jin ??(jin)xing ??(xing)she ??(she)ji ??(ji)he ??(he)gai ??(gai)zao ??(zao)??，cai ??(cai)neng ??(neng)shi ??(shi)ta ??(ta)cheng ??(cheng)wei ??(wei)man ??(man)zu ??(zu)ying ??(ying)yong ??(yong)xu ??(xu)qiu ??(qiu)de ??(de)chan ??(chan)pin ?(pin)??。chang ??(chang)qi ??(qi)yi ??(yi)lai ??(lai)??，dan ??(dan)bai ??(bai)zhi ??(zhi)she ??(she)ji ??(ji)gai ??(gai)zao ??(zao)yi ??(yi)zhi ??(zhi)mian ??(mian)lin ?(lin)shi ??(shi)jian ??(jian)chang ??(chang)、cheng ??(cheng)ben ??(ben)gao ??(gao)deng ??(deng)nan ??(nan)ti ??(ti)??。