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1)  length of deformation zone
变形区长度
2)  length deformation
长度变形
1.
Control of length deformation in high order road layout;
高等级公路测设长度变形控制
2.
The length projective deformation in city survey is a common problem It requires precise standard in surveying rule for dealing with the problems of length deformation Therefore, a compensate coordinate system is set up to control the sizes of the length deformation so as to reach the standard precision when the length appears in deformatio
本文对此问题进行了研究,提出了通过建立抵偿坐标系统控制长度变形大小,从而达到不需对长度加入变形改正就使精度满足规范要求的目的。
3)  length distortion
长度变形
1.
It is inevitable that the length distortion will happen when the control points are linked to the State Gauss Plane Coordinates System in the plane control surveying for speedways,by which the construction elevation plane would separated from the projection plane of control surveying.
高速公路平面控制测量需要将控制点纳入国家高斯平面坐标系,由此不可避免地出现距离长度变形,并导致平面控制测量投影面与施工高程面分离。
4)  forming length
成形区长度
5)  angle of die drawing
变形区角度
6)  projection length deformation
投影长度变形
1.
It is possible that if build some modified elevation projection coordinates,through that is incomplete suitable for calculating the whole revised error of the GPS controlling net,can set up ground-fixed plane coordinates system for expressway to solve projection length deformation,and meet the actual demands for the express way reconnaissance.
对地处山岭、重丘、平原区域的公路勘测线路,进行了具体分析,提出若建立多个抵偿高程投影面坐标系,虽不完全适合GPS控制网的整体平差计算,但可建立公路地固平面坐标系,以解决投影长度变形问题,从而满足公路勘测的实际需要。
补充资料:变形区长度


变形区长度
length of deformation zone

  b ianxingqu ehangdu变形区长度(length of deformation:one) 轧制时轧件同轧辊接触弧的水平投影长度,一般以l表示,l=双sina,式中R为轧辊半径,a为咬入角。从几何关系还可以求得l与R及压下量从的关系为l /_.,从2,_劫2.__L___.,~~:,、,~=心R从一二笋.,由于岑~相对于R助小得多,故计算 V-一4’一一4’一’‘’--一一~一,一,·~中均用其近似值l、翻丫天瓦。 (余望)
  
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