本文提出利用反演理论对GIS数据进行质量评价，对超定、适定、欠定等问题分别求取相应解，为GIS数据质量的研究提出了新的思路。
In this paper, I put forward inversion theory assessing GIS data quality, gave respondence solution for different problem. This is a new clue to research for GIS data quality.
生物电磁逆问题的数值计算与适定化方法研究。
The numerical methods and the regularization methods for inverse problem ofbioelectromagnetic field are studied.
适定的正压原始方程组广义初值问题解析解的计算程序。
Present the computer program for finding an analytic solution of well-posed barotropic primitive equations' general initial value problem.
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