posterior elevation difference 后表面高度差异值 ; 角膜后表面高度差异值
mean-elevation-difference 平均高程差
level elevation difference 水准高差
static-elevation difference 静水位差
elevation difference control 高差控制
elevation difference algorithm 高度差算法
According to topographical situation of Yanan Pipeline, conduct dead weight oil transporting test a - gainst elevation difference.
根据安延管道的地形情况，利用高程差进行了自压输油试验。
According to the method, a dynamic scheme which concerns the influence of crustal movement be-tween two re-surveys on the observed elevation difference is proposed.
本文对较适用于监测网的拟稳平差方法作了简要介绍，并在此基础上提出了顾及两次复测期间地壳运动对观测高差影响的动态方案。
A new spiral trumpet interchange has such advantages as dealing with the large elevation difference, increasing the ramp length, reducing the longitudinal, saving land and so on.
一种新型螺旋式喇叭形互通立交具有克服大高差、增大匝道长度、减少纵坡、节约用地等特点。
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