檢視沼气发酵的原始碼

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|<center>'''沼气发酵'''<br><img
src=" https://ts1.cn.mm.bing.net/th/id/R-C.1569b44f659133289f1bee842e5eff35?rik=H2KLgp9UDcQ7hA&riu=http%3a%2f%2fi2.qhimg.com%2fdr%2f270_500_%2ft01098c7988b4933537.jpg%3fsize%3d268x201&ehk=uRLR3mmkudrUtje7kzLVZiHZla14CuTxQy9UC0QayoY%3d&risl=&pid=ImgRaw&r=0" width="280"></center><small>  圖片來自优酷</small> 
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'''沼气发酵'''是利用微生物在缺乏氧气的状态下生活和繁殖时，为了取得呼吸作用所需要的能量，而将高能量有机质分解转化为简单的低能量成分，从而释放出能量以供代谢之用，实质上是微生物的物质代谢和能量代谢的过程。