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[期刊论文] 作者：Bi Zhiyi,DING Jingxin,ZHENG We,
来源：黑龙江科技学院学报 年份：2001
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...
[期刊论文] 作者：Yibo Bi,Zhiyi Ren,Kun Bao,
来源：中国工商管理研究前沿 年份：2020
Multinational enterprises (MNEs) make investment decisions according to the distance factors at a sub-national level.This paper made estimates using the gravity...
[期刊论文] 作者：CHEN HaiQin,JIANG YanYi,BI ZhiYi,MA LongSheng,,
来源：Science China(Technological Sciences) 年份：2013
High frequency stability, narrow-linewidth lasers have been long dreamed of since the invention of the laser. They have recently developed dramatically due to t...
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