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一个尚未揭开的謎 大家知道,在自然界中,只有少数微生物才能吸收利用空气中的氮气,这个現象被称为生物固氮。生物固氮不仅是当前农业生产
A mystery that has not yet been revealed We all know that in the natural world, only a few microorganisms can absorb and use the nitrogen in the air. This phenomenon is called biological nitrogen fixation. Biological nitrogen fixation is not only current agricultural production