名词
中文翻译：硝化细菌
同义词：
['nitrobacteria', 'nitrogen-fixing bacteria']
例句：
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1.Nitrogen-fixing bacteria are essential for the growth of plants.
固氮细菌对植物生长至关重要。
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2. These bacteria help to fix nitrogen from the air into the soil, improving its fertility.
这些细菌帮助将空气中的氮固定到土壤中，提高其肥力。
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3. The diazotrophs play a crucial role in maintaining the balance of the ecosystem.
硝化细菌在维持生态系统平衡中起着关键作用。