查询词典 ecosystem

The results showed that the correlation between road network density and ecosystem distribution was mainly determined by the road networks grades with the tendency that correlation decreased with upgrading of the road networks, and the scaling effects of the road networks can be divided into 4 categories: rising, descending, mutation and unscaled.

选取2km×2km、4km×4km、6km×6km、… \，20km×20km网格进行多尺度相关分析和方差分析，研究云南纵向岭谷区道路网络与生态系统分布的相关性及其独立和交互作用，分析道路网络对生态系统影响的尺度效应。然后又进一步研究了道路网络和地形因子（比如海拔、坡度和坡向等）对生态系统的独立和交互作用。

As a new type of ecosystem, its plant diversity remains unstudied.

人工湿地的生物多样性是一个新问题。

This paper conduces to provide useful direction practically for enterprises to analyze the interactive relation between two corporations in business ecosystem and constitute the timely corporate strategy to seek the survival and development in long term, as well expatiate on the interactive relations theoretically.

本文为企业在实践中如何在商业生态系统中分析与其他企业的互动关系，制定适时的企业战略，以求得长期生存和发展提供了有益的借鉴。

Ecosystem services ; valuation theory ; valuation method.

生态系统服务；评估理论；评估方法

There are so many allelopathies in the vegetable kingdom, and the plant allelopathy has an important influence on agricultural ecosystem.

化感现象广泛存在于植物界，植物之间的化感作用对生态系统有着不可忽视的影响。

Vegetation plays an important part in the world's ecosystem.

植被在全球生态系统中扮演着重要的角色。

Amphibians are important vertebrate groups, not only in the ecosystem plays an important role and are closely related to human life.

两栖动物是脊椎动物的重要类群，不但在生态系统中起着重要的作用，而且与人类的生活密切相关。

Land virescence is a dynamic ecosystem with complex structure and many factors.

国土绿化是一个结构复杂，因素众多，动态多变的生态系统。

The abandoned quarries are a kind of highly degraded ecosystem and cause visual pollution.

废弃采石坑不仅是一种极度退化的生态系统，也是一种视觉污染。

The strengths of the state's industry are practices for viticulture, soil management and ecosystem management.

国家产业的优势是葡萄种植，土壤管理和生态系统管理法。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。