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本文利用信息系统提供的数据对洪雅林场森林资源消长变化进行了评价分析，并提出了因调查数据不实带来的误差，及解决的途径和方法。
In this paper, we use the data provided by the information system to evaluate and analyze the change of forest resources in Hongya Forest Farm, and put forward the error caused by the false survey data and the ways and methods of solution.