autotrophic

If autotrophic (i.e. chemoautotrophic or chemosynthetic) the energy is obtained by oxidation of an inorganic compound;

如果是自养（化能自养或化能合成）,那么能量是通过氧化无机化合物获得的。

The most common method of biological nitrogen removal is by combining the nitrification of the autotrophic nitrobacter and nitrosomonas with the denitrification of heterotrophic denitrifying bacteria.

生物除氮最常利用的是将自酸菌、亚酸菌之化作用与异脱菌之脱作用结合。