1) atmosphere near surface
底层大气
1.
Quality status and trend of TSP and Cu,Pb,and Cd in atmosphere near surface of Zhujiang River estuary;
珠江口海域底层大气中TSP与Cu、Pb、Cd质量现状与趋势
2) bottom layer
底层;贴地大气层;下层
4) high bottom cutting height
底层大采高
1.
of the fully-mechanized sub-level caving full-seam mining with high bottom cutting height for the 20 m very thick and medium hard seam have been studied by 1∶30 physical simulation.
研究结果表明:(1)底层大采高综放全厚开采20m特厚中硬煤层,在技术上是可行的。
5) large space
底层大空间
1.
Earthquake simulation test of RC shear wall structure with concealed bracings and large space on ground floor;
底层大空间带暗支撑剪力墙结构振动台试验研究
6) wide bay at bottom
底层大开间
1.
In accordance with the characters of composite masonry structure building supported by frame shear wall with wide bay at bottom, a sub structure pseudo dynamic test was carried out.
针对底层大开间组合墙房屋的特点 ,对模型房屋进行了子结构拟动力试验 ,测定其抗侧刚度 ,发现了抽柱对结构性能的重要影响。
2.
Frame wall beam is a critical member of composite masonry structure supported by frame shear wall with wide bay at bottom.
框支墙梁是底层大开间框剪组合墙房屋中的关键构件 ,结合拟动力试验对其进行的静力和抗震性能研究表明 ,房屋的纵、横向托梁均与其上墙体形成墙梁结构 ,并共同形成受力复杂的空间结构体系 ,从而使纵向框支墙梁承担的荷载明显减少。
补充资料：青海瓦里关大气基准观象台的大气二氧化碳监测系统
青海瓦里关大气基准观象台的大气二氧化碳监测系统
青海瓦里关大气基准观象台的大气二氧化碳监测系统 温玉璞摄
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条