查询词典 ecosystem

Land use change and tillage management is an important aspect for influencing carbon process in terrestrial ecosystem by human.

土地利用变化和耕作管理是人类影响陆地生态系统碳过程一个重要方面。

In the fourth chapter, we use the catastrophe theory to make research on ecosystem vulnerability in mining area.

第四章中我们运用突变理论对矿区生态系统的脆弱性进行了研究。

Potential maps could be useful as baselines to establish critical habitat in a productive ecosystem where speciation may be occurring,and to declare new protected areas for cetacean conservation in Venezuelan waters.

在一些高产的生态系统内新的物种可能正在形成，而这些潜在可能的分布图可以作为在高产生态系统内确立关键栖息地的标准，由此我们可以在委内瑞拉水域为鲸类建立新的保护区。

This research tries to study supply chain from a view of complex adaptive system and business ecosystem.

但是，现有的对供应链研究的思维范式主流还是还原论。

The characteristics of supply chain show that the supply chain is a complex—adaptive system and a business ecosystem.

用动态、微观与宏观相结合的视角审视供应链，是把握供应链实质的现实要求。

This ecosystem is a self-contained world with a complex food chain and many organisms that have adapted to extreme and unusual conditions

生态系统是一个有合成的食物链的和一些已经适应极端的和不同寻常的情形的有机体。

The stress on river ecosystem in urban area is discussed that result from both rivers channelization and gardening.It is point out that rivers gardening in vogue is man-made process.

摘 要：讨论了渠道化和园林化对于城市河流生态系统的危害，指出当前盛行的城市河流园林化是新一轮河流的人工化改造。

Today's earth faces many a problem of environm en t and ecosystem:"greenhouse effect",chemical pollution,acid rain,sand dust dev il,went short of water wealth,water and soil bereave,soil fallen into desert,spe cies eradication,forest demolish,etc.

今天的地球面临着许许多多的环境和生态问题，"温室效应"、化学品污染、酸雨、沙尘暴、淡水资源匮泛、水土流失、土地沙漠化、物种灭绝、森林破坏等等。

The Rhynie Chert is one of the most important fossil plant occurrences because it represents the oldest and most completely preserved terrestrial ecosystem.

莱尼碎石作为最重要的植物化石产出，其关键在于它代表了最古老、最完整保存的陆地生态系统。

It is also pointed out that clear-cutting over 1 hectare , taking soil or digging turves under canopy should be forbidden . Regeneration under canopy is very necessary in order to ensure the ecosystem stability of larch forests in valley .

并指出，绝对禁止面积超过1hm^2的皆伐，林下取土或挖掘泥炭等严重影响谷地落叶松林生态系统的行为，为确保谷地落叶松生态系统的稳定性，进行林下的更新是非常必要的。

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％。