As a base to analyze the terrestrial carbon cycle and dynamic, forest biomass estimation has been one of important contents of ecology and global change study.

森林生物量估算是进行陆地生态系统碳循环和碳动态分析的基础，业已成为生态学和全球变化研究的重要内容之一。

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Landscape structure, landscape dynamic and landscape function are a research focus in landscape ecology.

景观生态学研究的焦点问题是景观结构、景观动态与景观功能。

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Tidal current is the essential dynamic condition in the coastal zone and estuary and the basic active factor also to study the water environment and ecology problem.

潮流和风生流都是浅海水流运动的基本形式，也是研究海岸河口水动力和环境问题的基本动力因素。

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From biology to ecology to medicine, somewhat higher. qualified the biosciences are recognized globally as dynamic drivers of modern economic progress.

VOA: standard.2009.11.25