The study on ecological, economical and social benefits of rice-duck-loach complex ecosystem.
稻—鸭—泥鳅复合生态系统的经济效益、生态效益和社会效益。
The study on the amounts of methanogens in the soil of rice-duck complex ecosystem of wetland.
湿地稻-鸭复合系统土壤中甲烷细菌数量研究。
The study on soil physical and chemical characteristics of wetland rice-duck complex ecosystem.
湿地稻-鸭复和生态系统的土壤理化性状的研究。
Each of the model lumps is a big system, and the municipal complex ecosystem is made up of them.
这个模型由几个模块组成，每个模块都是一个大系统，共同构成城市复合生态系统。
City can be regarded as a huge and ever enlarging complex ecosystem with enormous people live in it.
城市可认为是大量人口聚居其中的，目前正在日益扩大的复杂生态系统。
The quality of paddy soils in a wetland rice-duck complex ecosystem was studied by plot experiments.
通过田间试验对湿地稻-鸭复合生态系统的稻田土壤质量进行了研究。
The animal's intestine is a complex ecosystem inhabited by microorganisms, including pathogenic bacteria.
动物的肠道是一个复杂的微生物生态系统，由各种微生物组成，包括致病菌。
The study on the residual quantity of methamidophos in the soil of rice-duck complex ecosystem of wetland.
甲胺磷在稻-鸭复合系统土壤中残留量的研究。
The results showed that methane emission had obvious daily and seasonal variation law in rice-duck complex ecosystem.
结果表明：稻鸭复和生态系统中甲烷排放具有明显的日变化规律和季节变化规律。
Main results for this study are as follows: 1. The study on methane emission law of wetland rice-duck complex ecosystem.
主要研究结果如下。1 .湿地稻-鸭复合生态系统甲烷排放规律的研究。
As a result of the evaluation an optimal model of artificial complex ecosystem circulation for the agricutural-forestry-medi…
提出了青城后山绞股蓝基地农林药复合生态系统良性循环的优化模式。
What's more, the direct economic benefit of the rice-duck complex ecosystem was higher than that of the conventional paddy fields.
湿地稻-鸭复合生态系统直接的经济效益也远高于常规稻田。
The influence of methamidophos and acetochlor on the amounts and activity of methanogens in the soil of rice-duck complex ecosystem of wetland.
甲胺磷和乙草胺对稻-鸭复合系统土壤中甲烷细菌数量及其活性影响的研究。
The article studied the influence of ducks in a rice-duck complex ecosystem as well as its natural enemies and diseases, insects, weeds and pests.
研究鸭子在稻鸭复合生态系统中对蜘蛛及病、虫、草害的影响。
The improvement of soil oxidation-reduction status of wetland rice-duck complex ecosystem was one of the reasons which resulted in decrease of methane emission.
湿地稻-鸭复合生态系统土壤氧化还原状况的改善是降低甲烷排放的原因之一。
A field experiment was conducted to investigate the development rule of rice sheath blight in rice-duck-fish complex ecosystem. A model was established based on experiment data.
通过田间试验，对稻-鸭-鱼共栖生态系统中水稻纹枯病的发生规律进行了研究并建立了相应的数学模型。
It is a complex ecosystem, including forest, mountains, gorges, lakes, streams, grasslands, swamps and wetlands, and provides a wide habitat for rare and endemic species of animals and plants.
保护区为一个复合生态系统，包括森林、山脉、沟壑、湖泊、溪流、沼泽、湿地，为珍稀和地方性动植物提供了一个广阔的栖息地。
Because complex species interactions may be involved, identifying a keystone species by removing the species and observing changes in the ecosystem is problematic.
由于其中可能涉及复杂的物种相互作用，通过移除一个关键物种并观察生态系统的变化来确定该物种是有问题的。
We learn of complex water habitats and a fragile ecosystem of flora and fauna.
导游向我们介绍，这片水域生境的植物和动物生态系统复杂而脆弱。
Since the web went mainstream in 1993, our media "ecosystem", if you like, has become immeasurably more complex.
自1993年网络开始变成主流，我们媒体的“生态系统”，无论你喜欢不喜欢，已变得不可估量的更加复杂。
The reef, which in actuality is a collection of thousands of distinct coral reefs, has been designated a World Heritage site for its sheer beauty and uniquely complex and delicate ecosystem.
大堡礁，实际上是一个独特的珊瑚礁群，由于其纯粹的美丽和独特内涵以及微妙的生态系统，已被指定为世界遗产地。
Readers are being woven into the increasingly complex news ecosystem as sources, participants and distributors.
读者们正被编织进一个日渐复杂的新闻生态系统，在那里他们即是消息来源，又是参与者，也是传播者。
It is a land of natural ecosystems into artificial ecosystem process, is also a natural, economic, and social factors at the complex process.
它既是一个把土地的自然生态系统变为人工生态系统的过程，也是一个自然、经济、社会诸因素综合作用的复杂过程。
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。
Actually, there are many large complex networks in natural and real systems, such as ecosystem, social system, Internet, WWW, energy networks, transport networks, etc.
事实上，在许多自然和实际系统中都存在着大规模的复杂网络。如生态系统、社会系统、互联网、万维网、能源网和运输网等等。
However, as a complex adaptive system, the business ecosystem not only differs from the natural ecosystem, but also differs from the cluster and the value network.
但是，作为复杂的适应性系统，商业生态系统不仅与自然生态系统不同，而且与集群、价值网络也有所不同，它具有自组织、涌现性、协同进化、适应性等基本特性。
Agricultural complex system has the special functions and how to comprehensively analyse and evaluate it is till the problem of ecosystem research.
农业复合生态系统是具有特定功能的复合体，如何全面地分析和评价农业复合生态系统，目前仍是困扰生态系统研究的难题。
Agricultural complex system has the special functions and how to comprehensively analyse and evaluate it is till the problem of ecosystem research.
农业复合生态系统是具有特定功能的复合体，如何全面地分析和评价农业复合生态系统，目前仍是困扰生态系统研究的难题。
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