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- From the nutrients circulation, the water body heat lamination, the hydrochemistry balance etc. 从营养物质的循环、水体热分层、水化学平衡方面论述和总结了富营养发生机理的研究现状；
- Taking complex ecosystem of small catchment in the Three Gorge Region as a research object, water and nutrient circulations in different sub systems were studied quantitatively. 以三峡库区小集水区复合生态系统为对象,定量研究了其中不同子系统的水分和养分动态过程。
- Keywords nutrient circulation;agroecosystem;non - point source pollution;TGRA; 养分动态;农田系统;非点源污染;三峡库区;
- Pound notes have been withdrawn from circulation. 一英镑面值的钞票已停止流通。
- Studies on the Nutrient Circulation and Energy of the Serious Degraded Community after Closing of Hillsides and Management to Facilitate Afforestation 封禁管理对严重退化群落养分循环与能量的影响
- Harvey discovered the circulation of the blood. 哈唯发现了血液循环。
- We observed the circulation of blood in frogs. 我们观察了青蛙的血液循环。
- The old coins have been withdrawn from circulation. 旧硬币已经收回不再流通了。
- Many forged notes are in circulation. 许多假钞在流通。
- This magazine has a large circulation. 这本杂志发行量很大。
- These ideas have been in circulation for some time. 这些想法已经流行了一段时间。
- Climate change can affect the temperature of inland lakes, the health of reefs and how nutrients circulate in the oceans, the researchers say. 这组科学家说，气候变化可能影响内陆湖泊的温度、珊瑚礁的健康以及海洋营养的循环。
- The nutrient in the soil acts as a stimulus to growth. 土壤中的养分能促进植物生长。
- After a month in hospital, she is back in circulation. 住了一个月的医院后，她又重新活跃起来了。
- Police say a number of forged banknotes is in circulation. 警方称市面上有一定数量的伪钞。
- The newspaper's circulation has trebled since last year. 去年以来该报的发行量已增加到原来的三倍。
- The nutrient in the soil acts as a stimulus to growth/to make the plants grow. 土壤中的养分能促进植物生长。
- I've been out of circulation in order to prepare for the TOEFL. 为了准备托福考试,我已经不从事社交活动。
- This paper has a circulation of more than a million. 这一报纸的发行量达一百多万份。
- Sulfur is an essential nutrient for plants. 硫是植物的一种重要的营养元素。
