在概括了典型的大地测量力学模型基础上，讨论了其反演参数可辨识性问题；
Then the typical geodetic dynamic models are summarized and the identifiability of parameters is also discussed.
把半参数模型引入大地测量反演模型，有利于消除或削弱了测量数据系统误差对大地测量反演的模型参数的影响；
Having leaded the semi-parameter model into the geodetic inversion model, the effect of surveying data systemic error is eliminated or weakened on the geodesy inversion model.
研究结果表明，在使用大地测量资料进行地震位错模型参数反演时，考虑大地水准面形变不仅在理论上更加严格，而且在实际应用中也确有意义。
The results indicate that based on geodetic data inversion of source parameters of earthquake dislocation model is not only theoretically serious, but also practically significant.
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