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[期刊论文] 作者:YI Cheng-xin,GUO Wang-zhen,ZHU, 来源:城市道桥与防洪 年份:2004
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生、测量监控等方面人手,介绍了S226海滨大桥...
[期刊论文] 作者:ZHANG Shi-lu,NI Da-hu,YI Cheng-xin,LI Li,WANG Xiu-feng,WANG Zong-yang,YANG Jian-bo, 来源:水稻科学(英文版) 年份:2004
To lower the amylose content (AC) of the indica rice restorer line 057 with high AC, backcrosses were made respectively by using four indica varieties (R367, 91...
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