查询词典 ecosystem

Regional ecosystem types, such as grass land, desert, and deciduous forest, are called biomes.

地区的生态系统，例如草原、荒漠和落叶林又被称为生物带。

The biosphere is a global ecosystem that can be broken down into regional or local ecosystems, or biomes.

生物圈是一个全球性生态系统，可以分成地区性的或局部性的生态系统，或称生物群落。

The aboveground vegetation changes could influence belowground biotas which in turn affect the soil ecosystem function and the plant growth.

复旦大学，生态学，2008年，博士

In addition, the district and the global environment problem pressures also request the our country to further expand the revenue from tax function, turning the social cost of the pollution of the environment inside to go to in the business enterprise cost and the market prices, passing the market mechanism more valid, control the pollution of the environment and ecosystem breakages lower costly.

此外，区域与全球环境问题压力也要求我国进一步拓展税收功能，将环境污染的社会成本内化到企业成本与市场价格中，通过市场机制更有效、更低成本地控制环境污染和生态破坏。

He is the co-author of three casebooks:"The Practice and Policy of Environmental Law,""Property: Cases and Materials," and "The Law of Biodiversity and Ecosystem Management."

他的著作《法律环境：环境保护法是如何影响环境的》将由耶鲁大学出版社于2009年出版。

The usage of agrochemicals was significantly negatively correlated with the fish population density in the traditional rice-fish coculture ecosystem.

本研究通过取样调查和田间试验相结合，研究了传统稻鱼系统的水稻生产过程农药的施用和病虫草害的发生。

Although forest insects and pathogens cause various detriments,they also make positive contributions to forest succession,material cycling and energy flow,a food source,creating wildlife habitat,etc.,and further,in an ecosystem perspective their contributions are critical to forest biodiversity,soil fertility and long-term forest health and sustainability,so forest managers must consider both the detrimental and beneficial functions of insects and pathogens.

森林昆虫和病原物虽然能引起林木损伤与死亡，但它们在森林演替、物质循环和能量流动、食物来源、创造野生动物生境等方面都作出了积极的贡献，而且在一个生态系统发展前景中，对于森林生物多样性、土壤肥力、森林的长时期健康和稳定性等方面，它们的促成作用也是必不可少的。因此，森林经营者应当考虑昆虫和病原物的害与益的两方面作用。

Similarly, some forest ecosystem models have suggested that rapid and extensive diebacks of certain trees could occur over much of their current range .

与此类似，一些森林生态模型已经显示，一些树木的迅速广泛的消失可能会超出目前的范围。

Similarly, some forest ecosystem models have suggested that rapid and extensive diebacks of certain trees could occur over much of their ''.'current'.''''.

与此类似，一些森林生态模型已经显示，一些树木的迅速广泛的消失可能会超出目前的''。

In the city ecosystem, the wastes created in the production and the life, often need different decompositions and digestions.

在城市生态系统中，生产与生活中产生的废弃物往往需要异地分解与消化。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。