autotrophic

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

是自养（化能自养或化能合成）,那么能是通过氧化无机化合获得的。

2.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.

生除最常利用的是将自营性硝酸菌、亚硝酸菌之硝化作用与异营性脱硝菌之脱硝作用结合。