以下为句子列表:
英文: Abstract: In this paper,we develop a lofting method for railway tunnel profile including straight way and curve way,analyse carefully the error resources of lofting,and move an amendment one by one,precision analysis to the amended lofting formula shows t
中文: 文摘:提出了铁路隧道断面(包括直道、弯道和坡度)的放样扫描方法,详细分析了放样扫描的误差来源,并逐一给出了修正方案,对修正后的放样公式作了精度分析,放样精度达到了预定的要求。
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