n. correction
通过地形改正数学物理模型的建立，提出了地形改正最大半径的选择方法。
As physics-mathematics model of topographic amendment is created, it have been put forward to selectmethod of largest radius about topographic amendment.
本文还讨论了各种深度基准面改正数在浙江沿海的分布场，并调绘了各改正数的分布图。
We have also discussed the scatter fields about correction of sounding data and have drawn their scatter diagrams along the Zhejiang coast.
本文以梯度投影法迭代直接求解出观测值的改正数，并在最后给出一个简单算例，以资验证。
The correction of the observation is obtained by the interation with gradient projection method and a simple calculation example is given to verify it.
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