gauge length deformation 标距变形量
projection length deformation 投影长度变形
projecting length deformation 投影长度变形
length of deformation zone 变形区长度
deformation length 变形长度
length of deformation band 变形带长度
length-time field of deformation 变形的时间长度场
·2,447,543篇论文数据，部分数据来源于NoteExpress
Therefore, some necessary restricted measures should be taken to make the projection length (deformation) less than 1/40 000 in order to meet the requirement of accuracy for railway surveying.
针对这一问题，必须采取有效的约束条件和措施，使得长度变形小于1/40 000，从而满足铁路测量精度要求。
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