求翻译：通过分析比较发现，大小兴安岭林区由于历史上长期过量开采，加之林区资源承载能力较低，局部林区可采资源枯竭，整体生态功能处于十分脆弱的状态。是什么意思？

By analyzing the comparison, size of the Mountains as a long history of excessive forest exploitation, coupled with a lower carrying capacity of forest resources, local depletion of forest resources can be taken, the overall ecological function in a very fragile state.

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Through analysis comparison discovery, size Mt. Xingan forest region because in history long-term excessive mining, adds the forest region resources bearing capacity to be low, the partial forest region may pick the resources depletion, the overall ecology function is at the extremely frail conditio

Through analysis and comparison of discovery, and Xiaoxing ' an mountains forest areas for historical long-term excessive exploitation, coupled with lower carrying capacity of forest resources, local depletion of recoverable resources in forest areas, the overall ecological function in a fragile sta

Through analysis and comparison of discovery, and Xiaoxing ' an mountains forest areas for historical long-term excessive exploitation, coupled with lower carrying capacity of forest resources, local depletion of recoverable resources in forest areas, the overall ecological function in a fragile sta