4) the 13th century
13世纪
1.
In the initial several years of the 13th century, the foreign trade pattern in South of England changed greatly.
13世纪初,英国南部对外贸易格局出现重大变化,由原来的整体贸易呈现出向东南、西南两个方向发展的态势,即本文所述之两翼贸易格局。
5) 13-17 century
13-17世纪
6) 12-13th century
12-13世纪
1.
During the 12-13th century in the Western Europe, Many fields have shown strong upward trends, It means that a lot of change and new birth had taken place in this historical period.
12-13世纪这一历史时期对西欧来说意味着流动、变革和新生,许多方面表现出强劲的上升势头,众多学者由于对这一时段的关注破除了中世纪“黑暗千年”的成见。
补充资料:C13-C16 Isoparaffin
分子式:
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CAS号:68551-20-2
性质:
分子量:
CAS号:68551-20-2
性质:
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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