Their methods do not attempt to estimate the actual biomass (the amount of living biological matter) of fish species in particular parts of the ocean, but rather changes in that biomass over time.
他们的方法并不是要评估特定海域鱼种的实际生物量，而是评估在这一段时间内生物量的变化。
Their methods do not attempt to estimate the actual biomass(the amount of living biological matter) of fish species in particular parts of the ocean,but rather changes in that biomass over time.
他们的方法并不是要评估特定海域鱼种的实际生物量，而是评估在这一段时间内生物量的变化。
That there is more sunlight-and so more opportunity for photosynthesis-at the tropics explains why warm climates create more living matter (or biomass, as it is known to ecologists).
热带地区光照资源更丰富——因此更有利于光合作用——这一点可以解释为什么温暖的气候可以产生更多的生物(或生物量，这点为生态学家们所共知)。
In looking at the pathetic, shriveled plants, Tilman and his team found that plots with 20 or so species had about half the living matter, or biomass, recorded in the same plots in a normal year.
看着可怜的枯萎植物，Tilman和他的小组发现含有约20个物种的试验田与其正常时一年记录相比有一半生物活质，或者说生物质。
Their methods de not attempt to estimate the actual biomass (the amount of living biological matter) of fish species in particular parts of the ocean, but rather changes in that biomass over time.
他们研究了半个世纪以来世界上所有的渔场，其研究方法并不是为了试图估算特定区域的海洋中实际生物总数（活着生物的总数），而是研究单位面积中海洋生物数量发生的变化。
The nutrients kept a big gray connection to the living root biomass, but remained the same as it in the variation tendency, being an advantage factor.
土壤营养状况随着土层的加深呈下降趋势，且对活根量的灰色关联度较大，其变化趋势与根量相同，是优势因素；
Our objective is to utilize the biomass and productivity of living-fossil ecosystems to estimate the evolutionary trend in carbon sequestration capacity of terrestrial ecosystems.
利用活化石植物生态系统来估算陆地生态系统碳固存能力的进化趋势是一种有效的手段。
The weight of living organisms is called biomass.
生物有机体的重量称为生物量。
The single factor analysis showed that smoking, use of biomass fuels and lower level of living condition might be risk factors for COPD.
单因素分析显示：吸烟、使用生物燃料和生活水平差也可能是罹患COPD的危险因素。
The single factor analysis showed that smoking, use of biomass fuels and lower level of living condition might be risk factors for COPD.
单因素分析显示：吸烟、使用生物燃料和生活水平差也可能是罹患COPD的危险因素。
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