Participants were categorized according to age.参加者按年龄分组。These factors can be conveniently categorized under three headings.这些因素可以很方便地分成3类.Point data appearing on the coding forms can be categorized as follows.编码显示的点数据,可以...
He was definitely a bit of an odd bod.他这人确实有点怪。It provides BOD removal levels of 25 to 30 percent.这一过程就可以脱去生化需氧量25%至30%.This is true for BOD removal, aeration and biological growth.这对生化需氧量的去除, 通气,生物生长都是适用的....
许多种蓝藻有固氮的能力.Among the blue - green algae are many species of nitrogen fixation.菌根起着固氮和贮氮的作用.Mycorhizae perform the function of nitrogen fixation and storage.根瘤菌是生物固氮的能手.Nodule bacteria are very good at biological nitroge...