胃肠分流术包括缩小胃容积以及与部分小肠形成旁路，两者均参与消化过程，进而导致人们吃得更少或吸收更少的热量。
Gastric bypass involves reducing the size of the stomach and bypassing part of the small intestine, where digestion occurs. People eat less and absorb fewer calories as a result.
针对厌氧消化过程中有关城市垃圾的分选、 厌氧发酵工艺、 二次污染以及肥料的商品化等问题做了具体的分析。
The sizing anaerobic fermentation process secondary pollution and merchandise of fertilizer etc of municipal refuse in the anaerobic digestion process are specifically analyzed.
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