微生物数量 microbial number ; Microbial quantity
生物数量金字塔 Eltonian pyramid
土壤微生物数量 soil microbial quantity ; soil microbial numbers
微生物数量分布 quantitative distribution of atmospheric microbes
微生物数量与分布 germ quantity and distribution
微生物数量快速测定 Microbial number rapid detection
生物的数量 biomass
微生物的数量 microbial numbers
野生生物质量指数 wildlife quality index
有关基因在整个宏基因组分析中十分稀少,所以携带该基因的生物数量可能不够多。
The genes concerned are rare in the overall metagenomic analysis, so creatures carrying them may not be abundant.
但是电脑模型研究负责人格纳纳德西肯表示,有其他研究发现,近数十年来,浮游生物数量增加。
But Gnanadesikan, the computer model study leader, said that other studies have found a rise in plankton in recent decades.
据研究者称,冬季水华中该类生物数量增多,这种不同寻常的现象也许标志着阿拉伯海的水体正日益富营养化——水中的营养物质过多而氧含量减少。
According to the researchers, the unusual abundance of this organism in winter blooms may be a sign that the waters of the Arabian sea are becoming more eutrophic-overly fertile and oxygen-depleted.
DNA also has this sort of combinatorial system where you have a finite number of, I guess, bases or amino acids that could combine to a possible infinity of strings of DNA strings.
脱氧核糖核酸也拥有这种组合系统,你的生物基础或氨基酸数量是有限的,但却能组合出,几乎无限的脱氧核糖核酸螺旋结构
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