The results of this study can be extrapolated only so far since the researchers used consultants to determine the monetary value of connections and the success of projects.
由于研究人员运用顾问来判定联络的货币价值和项目的成功与否，所以该项研究只能推断出有限的结果。
Results: The fitting result of GM (1,1) model of hepatitis A is better. The incidence of hepatitis A in 2008 is extrapolated from the model and the fitted value is very accurate.
结果：甲肝发病率的GM（1，1）模型为，拟合效果较好，同时利用模型外推预测了2008年的甲肝发病率，预测准确。
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