这个词是什么意思？
An order of anaerobic, coccoid to rod-shaped methanogens, in the kingdom EURYARCHAEOTA. They are nonmotile, do not catabolize carbohydrates, proteinaceous material, or organic compounds other than formate or carbon monoxide, and are widely distributed in nature.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D017012 · MeSH 2026。
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