查询词典 span-new

Long life span, the life span is 5 times of traditional neon lamp.

超长寿命，是霓虹灯5倍以上。

If there is more cracks, the rigidness becomes less and the middle and down deflection of span is more serious; and if the middle and down deflection of span becomes more, the crack degree is more serious.

它们之间是相互影响的，裂缝越多，其刚度越小，跨中下挠越严重，反之，跨中下挠越大，开裂也越严重。

Through the assimilating and analyzing the construction materials and the design of reinforced concrete arch bridges with long span from both domestic and abroad, the thesis studies the effect of the arch axis geometry, rise-span ratio, arch ring section and spandrel structures, as well as the ultimate bearing capacity and stability of the entire bridge on the design of reinforced concrete arch bridge. In addition, in consideration of construction, the thesis also studies the applicability of different construction methods such as cable crane system, stiffened skeleton system, swing construction system and cantilever construction system and correspoindingly economica spans and their applications of the reinforced concrete arch bridges.

本论文通过对国内外大跨径钢筋混凝土拱桥的设计、施工资料的收集及其出现问题的分析，从设计角度研究了拱轴线形、矢跨比、拱圈截面及拱上构造、全桥极限承载能力及稳定性对钢筋混凝土拱桥设计的影响；从施工角度研究了缆索吊装法、劲性骨架法、转体施工法、悬臂施工法等不同施工方法的钢筋混凝土拱桥的经济适用跨径及其适用条件。

In this article, the author introduces features of urban large-span bridge s, and discusses some problems of urban large-span bridge s, for example, structure selection, position selection, cross section layout, structural safety reservation, construction monitoring, subsidiary facilities, bridge aesthetics and selection of relevant standards and so on.

论述了城市大跨径桥梁的特点，就城市大跨径桥梁设计中的结构选型、桥址的选择、宽桥横断面布置、结构安全储备和施工监控、附属设施的考虑、桥梁美学和有关规范的选用等问题，进行了较深入的探索，并对我国城市大跨径桥梁的设计和建设提出有关建议。

This paper is carried out to analyze the buffeting of long-span steel arch bridge in operation and erection stage. The research is mainly focused on the following aspects: Based on the present AR method, the AIC rule is used for fix the rank of the AR model to improve the simulation precision. Take into account that the wind speed spectrum is vary with the height for the long-span steel arch bridge, simulate the fluctuating wind field.

主要工作有以下几个方面：通过对现有的AR法进行改进，采用最小AIC(A-Information Criterion)准则准确识别模型阶数，提高AR法的计算精度，并考虑大跨度钢拱桥风速谱随高度变化的特点，实现了对三维空间脉动风场的有效模拟。

To meet the challenge of the design for different span projects, the influence of the major parameters on the mechanical behavior at different spans is analyzed in this paper. The variation rule of these parameters with the span is discussed in this paper, which provides thereunder for project designs.

4为满足实际工程中不同跨度的设计需求，本文针对张弦立体桁架结构的主要参数在不同跨度时对结构的受力性能影响情况进行了计算分析，讨论了结构参数和跨度二者之间的变化规律，为工程设计提供了参数选择的依据。

Aiming at the light track traffic project in Tianjin crossing over the Tianjin-Tanggu Highway , because of the lower space, the difficult crossing condition, and overcoming the long steel rail force caused by no attemperator on the seamless railway, the project adopts a 4-span prestressed concrete continuous rigid-frame bridge with span arrangement (42+62+62+42)m.

针对天津轻轨交通项目跨越津塘公路工点低净空、跨越条件困难，以及为克服桥上不能设置无缝线路温度伸缩调节器所带来的长钢轨作用力问题，研究采用了42m＋62m＋62m＋42m四跨预应力混凝土连续刚构桥。

The company offers large-span arch beamless color plate roof installation and construction, the use of color steel imports Shanghai Baosteel, the largest single-span of up to 36 meters.

本公司提供大跨度无梁拱型彩色钢板屋顶安装及施工，采用上海宝钢进口彩色钢板，最大单跨度可达36米。

The results indicated:1 Some cognitive performances decreased obviously with age,such as symbol-digit, visual digit span, auditory digit span,pairedassociation learning,free recall of picture and recognition of meaningless figure But other cognitive performances did not decrease with age, such as picture classific...

结果表明：（1）一些作业（符号数字、视觉数字广度、听觉数字广度、词对联想学习、图象自由回忆和无意图形再认）成绩随年老明显下降，另一些作业（图象分类、卡片分类、心算和矩阵填图）成绩不随年老明显降低；（2）再次验证心算、符号数字、数字鉴别和计数四项非词语性作业速度随年老进行性减慢。

The sofrware STAAD/PRO that calculate a standard beam with 80 m span and large span cable-stayed bridge is used then the coaction problem is analysed in structure.

这种方法不能考虑桥面系中纵、横梁和主桁架间的共同作用问题。对于大跨度桥梁来说，在运

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。