The sensitivity analysis shows that building household biogas digester has a strong capability to resist risks.
敏感性分析显示，户用沼气池建设具有较强的抗风险能力。
Evaluation results show that the household biogas digester construction in the two cities have great environmental benefit.
评价结果显示，户用沼气池的建设在两地均产生了较大的环境效益。
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