并建立了年用电量灰色动态模型(GM)。使测量的电量达到一级精度。
A grey model (GM) of annual demand was established, this upgrades the precision of demand prediction to first class.
样机系列表明，其精度和性能基本达到和部分指标超过（国家）部颁一级精度的标准。
The prototype series shows that its accuracy and performance have basically reached or exceeded the grade one standards issued by the Ministry of Machinery.
通过对昆明市2003-2010年生活垃圾产生量进行了灰色组合模型预测，结果表明该模型的预测精度达到一级。
The result showed that the Gray Combining Predication Model's accuracy can reach first class in forecasting of Kunming urban waste output in 2003-2010.
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