植物功能多样性(Functional diversity)是将植物功能性状与群落结构相结合而推导的整合参数,为人们揭示植物适应策略、植物性状间......

Topography is the most factor that has the greatest impact of all factor that affect the distribution.To study the diver......

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......

Now the surface settlement induced by shallow buried tunnel to under-traverse highway, mostly adopt the em-pirical value......

柱透镜光栅的平整性对立体图像的显示效果有很大影响,而单纯通过肉眼观察很难对平整性给出准确判定.针对这个问题提出了一种柱透镜......