Objective Appraise the important effect of the corneal topographic analysis in the early keratoconus diagnosis.
目的评价角膜地形图分析在圆锥角膜早期诊断中的重要作用。
The topographic correction of the electric sounding data by the boundary element method for anomalous potential is discussed, and the significance effect is obtained.
求解异常电位的边界单元法对电测深资料进行地形改正，应用效果明显。
Topographic relief is treated approximately as a wave consisted of harmonic waves of different cycles in this paper, and the effect of topographic relief on velocity analysis is discussed.
从地形起伏周期和地震排列长度关系的角度分析了地形起伏对速度分析结果的影响。
The convergence line caused by sea-land breeze and the topographic forcing effect are the main mechanism that triggers the low-trough type hail in Hainan.
海陆风辐合和地形抬升是海南低槽类冰雹发生的主要触发机制。
The convergence line caused by sea-land breeze and the topographic forcing effect are the main mechanism that triggers the low-trough type hail in Hainan.
海陆风辐合和地形抬升是海南低槽类冰雹发生的主要触发机制。
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