Grossvalueofindustrialoutput is the serious content of social total production value, it is the main gross index of MPS.
工业总产值是社会总产值的重要内容，是MPS的主要总量指标。
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From the grey model of the grossvalueofindustrialoutputof Anshan over the years, We can forecast the grossvalueofindustrialoutput of 1990, the forecasting error is 10. 99%.