查询词典 ecosystem

Because of the extremely harsh condition and the mankind's depredation using , original flimsiness grassland resources and ecosystem environment become more worse .

由于条件极为严酷，加之长期以来，人类对本区草原资源的掠夺性利用，使原本脆弱的生态环境更加恶化。

How to keep long-term depurative water quality and form a hygeian hydrophily ecosystem in manmade lake is a key topic we concerned.

建设良好的水生生态系统，使人工湖长期保持水体的清洁是人们关注的重要课题。

With Suzhou industrial park in Jiangsu Province as an example,using the entire arraypolygon evaluation method,the ecosystem health situation in each planning time has been quantitatively assessed in order to point out restriction factors and to suggest corresponding diagnostic program.

并着重采用全排列多边形图示指标评价方法，对苏州工业园区生态系统在各个规划时期的健康状况进行了定量评价，进而指出制约因子并提出相应的诊断方案。

This would also fragment your search advertising and display advertising strategies and the ecosystem surrounding them.

这也将破坏你的搜索广告，将广告策略和周围的环境暴露无遗。

From the 1970s,a kind of cultural landscape display mode with the original ecosystem??

20世纪70年代开始，一种以原生态为特点的文化景观展示方式？？

In plantation ecosystem, the vegetation diversity decreased due to natural factor or human activity, but the level of diversity is not always lower than that of other ecosystems. Especially in region with rare vegetation, the level diversity of undergrowth vegetation in plantation is higher.

人工林林下植被多样性会因自然或人为因素而下降，但是林下植被多样性并不低于所有自然生态系统，在植被稀少、种源匮乏地区，人工林林下植被的生物多样性甚至高于自然生态系统。

After reviewing relative returns,the authors present 5 hypotheses about structural influential factors in the stability of industrial ecosystem in China: keystone species enterprise,member distance,member reliability,industry diversity and conductor factor.

在查阅国内外大量文献的基础上，提出了5个可能影响我国生态工业系统稳定性的结构型因素假设：关键种企业、成员距离、成员相互依赖程度、成员多样性、领导因素。

Taking the Mentougou District in Beijing as an example, a comparative study was made on the three modes of ecological rehabilitation, i.e., gradual ecological rehabilitation based on realistic ability, ecological rehabilitation based on government dominancy, and conjugated ecological rehabilitation based on complex ecosystem theory.

本文以北京市门头沟区为例，对比研究了生态修复的3种模式：基于现实能力的渐进式生态修复、基于政府主导的强势生态修复和基于复合生态系统理论的共轭生态修复3种模式。

The layout of drain plays an important role to the protection of water ecosystem and urban environment.

排污口的布局对水生态系统的良性发展和城市环境美化起着至关重要的作用。

Without enough drift ice to cool the water and sustain the ecosystem, the fish population has been decreasing.

没有足够的流冰来降水温和维持生态系统，鱼产量就会减少。

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％。