搜索筛选:
搜索耗时0.0866秒,为你在为你在102,285,761篇论文里面共找到 4 篇相符的论文内容
发布年度:
[期刊论文] 作者:Yang Zerui,
来源:北京周报(英文版) 年份:2020
The 27th Asia-Pacific Economic Cooperation (APEC) Economic Leaders' Meeting held on November 20 via video link was significant for several reasons. This year is...
[期刊论文] 作者:By Yang Zerui,
来源:Beijing Review 年份:2020
The 27th Asia-Pacific Economic Cooperation (APEC) Economic Leaders’Meeting held on November 20 via video link was significant for several reasons. This year is the target date for meeting the second o...
High regional genetic differentiation of an endangered relict plant Craigia yunnanensis and implicat
[期刊论文] 作者:Jing Yang,Zerui Gao,Weibang Su,
来源:植物多样性:英文版 年份:2016
Of the genus Craigia,widespread in the Tertiary,only two relict species survived to modern times.One species is now possibly extinct and the other one,Craigia y...
High regional genetic differentiation of an endangered relict plant Craigia yunnanensis and implicat
[期刊论文] 作者:Jing Yang,Zerui Gao,Weibang Su,
来源:黑龙江科技学院学报 年份:2016
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7...
相关搜索: