The article studies for the future of prestressed steel beam construction error on the structural effects of the accumulation of information.
本文对此进行研究，为今后的预应力钢束施工误差对结构影响积累资料。
2
At last, the error of the production formwork of track beam is researched, several proposals of improving the accuracy of track beam manufacture are recommended.
最后，本文对单轨交通轨道梁生产用模板误差进行了研究，提出了提高轨道梁加工制作精度的建议。
3
During radar tracking target in low elevation, the measuring error of tracked target was removed or reduced with array antenna beam forming technique that can reduce the multi-path error.