查询词典 cycle

The long-range transportof aerosols,i.e.the biogeochemical cycle has been one of the major sources andone of the main characteristics of air-pollution in China.

气溶胶的长途传输，即元素或有关化合物的生物地球化学循环成为我国大气气溶胶的来源和形成机制的主要特点。

The central issues are the biogeochemical cycle, soil-plant interactions and climatic influences.

中心议题是生物地球化学的周期、土壤-植物交互作用和气候影响。

Biogeochemical cycle The movement of chemical elements from the physical environment into organisms and back to the environment in a more or less circular pathway.

生物地球化学循环：化学元素从物理环境进入生物体，再通过一条或多条循环途径返回物理环境的运动。

On the study of mechanism for attitude of phosphorus in soil in third part and a highlight on the problem of phosphate fertil- izer-biomass production relation and biogeochemical cycle .

所述内容中，重点在二、三两部分，其中第三部分中的当前磷索研究的现状，侧重于机理方面的研究、注重于磷肥—生物产量相关性问题的研究、注重其与不同介质中的生物地球化学循环方面的研究。

S a main source and sink of nitrogen from lake wetland ecosystem, lake sediment has an important significance for biogeochemical cycle of nitrogen.

bstract 湖泊底泥作为湖泊湿地生态系统中氮素的主要源与汇，对氮素的生物地球化学循环具有重要意义。

Cu is positively correlated with Cd in the two seasons and it is also found for the first time that they are positively correlated with nutrients in the South China Sea surface waters, which further indicate the biogeochemical cycle of these elements in the marine environment.

相关分析的结果表明各重金属夏季相关性优于冬季，Cu与Cd存在良好的正相关关系，并且首次在南海表层水发现Cu，Cd与营养盐的相关关系。

The biogeochemical cycle of modern sedimentary phosphorus in ocean continental interaction zone and its relationship with O 2 and CO 2 in the atmosphere are discussed in this paper. From enviromental biogeochemical theory and methodology, the characteristics of variation of sedimentary phosphorus with time, species, and its related elements are summarized.

通过探讨海陆交互作用带近代沉积磷的生物地球化学循环过程及与大气圈氧气和二氧化碳等的相关关系，综述了用环境生物地球化学的理论和方法研究海陆边缘近代沉积磷随时间的变化规律、赋存形态、与相关元素的耦合关系等生物地球化学特征及其在全球变化区域响应研究中的特殊意义。

To meet the needs for scientific, technological and socio-economic development in China, we proposed the four areas that the Chinese scientists should focus their study of global change and terrestrial ecosystems in future, including:(1) Metabolism and coupling mechanism of key life elements in terrestrial ecosystems in China;(2) Implications of terrestrial ecosystems in areas sensitive to global change and in important transects on global change;(3) Interactions between biogeochemical cycle of C, N, P, S in China and global change; and (4) Development of regional dynamic vegetation model which meets the actual needs of China.

中国学者在全球变化与陆地生态系统研究领域也开展了许多工作并取得了重要成绩。按照我国科学技术和社会经济发展的需求，本文提出了未来我国在该领域的研究重点，包括（1）中国陆地生态系统重要生命元素的代谢及其耦合机制研究；（2）全球变化敏感区域或重要样带上陆地生态系统对全球变化的影响研究；（3）我国的C、N、P、S生物地球化学循环与全球变化的关系研究；（4）发展中国特色的区域植被动态模型。

To meet the needs for scientific, technological and socio-economic development in China, we proposed four areas on which the Chinese scientists should focus their study of global change and terrestrial ecosystems in future, including:(1) Metabolism and coupling mechanism of key life elements in terrestrial ecosystems in China;(2) Implications of terrestrial ecosystems in areas sensitive to global change and in important transects on global change;(3) Interactions between biogeochemical cycle of C, N, P, S in China and global change; and (4) Development of regional dynamic vegetation model which meets the actual needs of China.

中国学者在全球变化与陆地生态系统研究领域也开展了许多工作并取得了重要成绩。按照我国科学技术和社会经济发展的需求，提出了未来我国在该领域的研究重点，包括①中国陆地生态系统重要生命元素的代谢及其耦合机制研究；②全球变化敏感区域或重要样带上陆地生态系统对全球变化的影响研究；③我国的C、N、P、S生物地球化学循环与全球变化的关系研究；④发展中国特色的区域植被动态模型。

Considering the potential importance of biologic activities in the DMS global biogeochemical cycle, an increasing amount of research has been performed in the biologic processes which control the production of DMS from marine phytoplankton.

根据海洋生物活动在二甲基硫的全球生物地球化学循环中所起着的重要作用，作者综述了国际海洋科学工作者十几年来在DMS生物生产过程研究方面的进展。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失