三九養(yǎng)生堂記者 鄧肯·蓋伊 報(bào)道
精彩| 第??(di)四??(si)紀(jì)??(ji)開(kāi)??(kai)始??(shi)于??(yu)距??(ju)今??(jin)約??(yue)258萬(wàn)??(wan)年??(nian)??，是??(shi)地??(di)球??(qiu)演??(yan)化??(hua)歷??(li)史??(shi)上??(shang)最??(zui)新??(xin)的??(de)一??(yi)個(gè)??(ge)地??(di)質(zhì)??(zhi)時(shí)??(shi)期??(qi)??，也??(ye)是??(shi)現(xiàn)??(xian)今??(jin)地??(di)球?(qiu)環(huán)??(huan)境??(jing)形?(xing)成??(cheng)和??(he)現(xiàn)??(xian)代?(dai)人??(ren)類??(lei)出??(chu)現(xiàn)??(xian)的??(de)關(guān)??(guan)鍵??(jian)時(shí)??(shi)段??(duan)??。??第??(di)四?(si)紀(jì)??(ji)科??(ke)學(xué)??(xue)是??(shi)地??(di)球??(qiu)科??(ke)學(xué)??(xue)的?(de)重??(zhong)要??(yao)領(lǐng)??(ling)域??(yu)??，也?(ye)是??(shi)應(yīng)??(ying)對(duì)??(dui)全??(quan)球??(qiu)變??(bian)化??(hua)??，推??(tui)動(dòng)??(dong)經(jīng)??(jing)濟(jì)??(ji)社??(she)會(huì)??(hui)可?(ke)持?(chi)續(xù)??(xu)發(fā)??(fa)展??(zhan)的??(de)重??(zhong)要??(yao)支??(zhi)撐??(cheng)??，第?(di)四??(si)紀(jì)??(ji)研??(yan)究??(jiu)具??(ju)有??(you)重??(zhong)要?(yao)理??(li)論??(lun)意??(yi)義??(yi)和??(he)實(shí)??(shi)踐??(jian)價(jià)?(jia)值??(zhi)??。 陜??(shan)西??(xi)省??(sheng)科??(ke)學(xué)?(xue)技??(ji)術(shù)??(shu)協(xié)??(xie)會(huì)??(hui)黨??(dang)組??(zu)書(shū)??(shu)記??(ji)李??(li)豫??(yu)琦??(qi)致??(zhi)辭??(ci)強(qiáng)??(qiang)調(diào)??(tiao)??，第?(di)四??(si)紀(jì)??(ji)學(xué)?(xue)術(shù)??(shu)大??(da)會(huì)??(hui)是??(shi)第??(di)四??(si)紀(jì)?(ji)研??(yan)究?(jiu)領(lǐng)??(ling)域??(yu)學(xué)??(xue)術(shù)?(shu)專??(zhuan)家??(jia)展??(zhan)示??(shi)學(xué)??(xue)術(shù)??(shu)成??(cheng)果??(guo)、開(kāi)??(kai)展??(zhan)學(xué)??(xue)術(shù)??(shu)交??(jiao)流??(liu)的??(de)重??(zhong)要??(yao)平??(ping)臺(tái)??(tai)??，更??(geng)是??(shi)地??(di)學(xué)??(xue)領(lǐng)??(ling)域??(yu)科??(ke)技??(ji)工??(gong)作??(zuo)者??(zhe)的??(de)一??(yi)次??(ci)盛?(sheng)會(huì)??(hui)??。??
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