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- Surveying of cross section of telecommunication pipeline and creating of the drawing database in Shenzhen city 深圳市电信管线断面详查及图形数据库建设
- surveying of cross section 断面详查
- Jeffrey M Wooldridge,"Econometric Analysis of Cross Section and Panel Data",The MIT press. 古扎拉蒂:计量经济学基础(第四版).;中国人民大学出版社
- Finalise the type of bridge and the form of cross section through comparing and selecting the schemes. 1 通过方案比选确定桥型和截面形式。
- Wooldridge,J.M.,2002,“Econometric Analysis of Cross Section and Panel Data”,The MIT Press. 吴卫星;齐天翔.;流动性、生命周期与投资组合相异性--中国投资者行为调查实证分析[J]
- Wooldridge, J. M. (1999), Econometric Analysis of Cross Section and Panel Data. 2002, Cambridge,MA: MIT Press. 评论[支持者:0人,反对者:0人,中立者:0人]查看评论信息
- Wooldridge, J.M..Econometric Analysis of Cross Section and Panel Data[M].Cambridge:MIT Press,1999. 根据的相关数据计算得到.
- The gonad developing to ovarian showed augmentation of size, closing to the middle of coelom and broadening of cross section. 而将要发育为精巢的性腺则呈两端尖中间稍突的梭形,增生并不明显。
- Plastic honeycomb pipes are introduced about their backgrounds, materials, shapes of cross section, types of products and fittings. 介绍塑料多孔管的开发应用背景,所用材料、截面形状、类型、接头等技术特征及其优点。
- Discusses the calculation method of cross section area of exhaust duct. Proposes calculating storey by storey and then totalling the results. 讨论了厨房排风道截面积的计算方法,提出应逐层计算风道截面积再叠加。
- The microstructure and composition of cross section of Ti-Ni two-layered bead was investigated with SEM and EDAX analysis. 研究了Ti-Ni双层焊点中心和界面的微观形貌和成分,结合SEM和EDAX分析,表明在Ti-Ni双层焊点中,出现了成分均一化现象,而没有出现Ti与Ni的分层。
- The surveying of the features of a place or region. 地形测量对某地或地区地面状况的调查。
- Determine the bridge type and the form of cross section through scheme comparison, prior to designing the general layout and the main structural dimension. 通过方案比选确定桥型和截面形式。然后设计桥梁总体布置及结构主要尺寸。
- A new point is put forward that transverse bimoment has different influence on the two kinds of cross section thin-walled beams, and on their St-Venant principle conditions. 2. 同时对外载等效中经常出现的横向双力矩这一广义力进行研究,指出它在开口和闭口薄壁梁约束扭转问题中和圣维南原理适用条件中分别占有不同的地位。
- ResultsThe sagittal diameter of lumbar intervertebral foramina became sharter from the top to bottom,while the diameter of cross section of relative nerve roots became longer. 结果: 腰段椎间孔的最大前后径从上到下依次变小,而神经根的横断面自上而下逐渐增粗。
- She continued her survey of the landscape. 她继续眺望景色。
- The surveyor made a survey of the land. 测量员对土地进行了测量。
- Renewing thinking of design work,improving layout of drift plane,changing the shape of cross section of the main room floor ,the overall design of central substation of main inhalation dewatering pump room in underground mine can be optimized. 更新设计思路,改进巷道平面布置方式,改变主要硐室底板横截面形状,可以优化地下矿山吸入式主排水泵房和中央变电所整体设计。
- A mark or pattern made of crossing lines. 十字形图案用十字线构成的记号或图案