The steel Roof of the Beijing Sport University Track and Field Training Center is a large-span spatial steel tube truss structure.
北京体育大学田径训练中心屋盖为大跨度空间钢管桁架结构。
Temperature span is one of the main factors to affect the jointless track on bridge.
温度跨度是影响桥上无缝线路的主要因素之一。
By analyzing the track of vehicle's lane changing and the span of lane changing, we establish the relation between velocity and Angle of lane changing.
通过对实际车辆单元换道轨迹的观测与换道执行时间的统计分析，建立了车辆换道转角与车速的函数关系。
On the improvement and optimization of conventional large span continuous bridge construction control, Proposed for long-span continuous bridge not Track construction monitoring program.
通过对常规大跨径连续梁桥的施工控制方法的改进与优化，提出了适用于大跨径无砟轨道连续梁桥的施工监控方案。
On the base of the reference of track total passing weight, the analysing methods of engineering analogy and economy life-span are put forword.
一是提出了科学确定修理周期要求，在参考线路累计通过总重的基础上，应用工程类比分析法和经济寿命分析法进行综合分析确定；
The largest span, measuring 60 metres in length, runs across the railway track.
全长60米的大跨度，甚至可以穿过铁轨。
The largest span, measuring 60 metres in length, runs across the railway track.
全长60米的大跨度，甚至可以穿过铁轨。
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