搜索筛选:
搜索耗时0.0459秒,为你在为你在61,042,058篇论文里面共找到 3 篇相符的论文内容
发布年度:
[期刊论文] 作者：Cheng Dawei,
来源：北京周报（英文版） 年份：2020
Trade in services has existed since ancient times. Ancient Chinese philosopher Confucius (551-479 B.C.) started the tradition of giving private lectures in othe...
[期刊论文] 作者：By Cheng Dawei,
来源：Beijing Review 年份：2020
Trade in services has existed since ancient times. Ancient Chinese philosopher Confucius （551-479 B.C.） started the tradition of giving private lectures in other kingdoms. Zhang Qian， an envoy of the...
Characteristics of temporal evolution of particle density and electron temperature in helicon discha
[期刊论文] 作者：Xiong YANG,Mousen CHENG,Dawei,
来源：黑龙江科技学院学报 年份：2017
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：
