Its ecological function and application in agriculture are also discussed in this paper.
最后讨论了植物中褪黑激素研究及其在农业生产中应用的前景。
Rivers in urban area are characterized themselves by special landscape ecological function, and can provide with important ecosystem services.
城市河流具有特殊的景观生态学意义，并能提供重要的生态系统服务，其价值逐渐受到社会各界的广泛关注。
The ecological function of plantations can be improved by using a combination of fast growing exotic species and bird dispersed native species so as to accelerate succession.
在营造速生人工林时，适当引入鸟播的野生树种，可加速人工林的自然演替速度和提高人工林的生态效益。
The optimal efficiency, output power and entropy production at the maximum of an ecological function are obtained, and are compared with those results at the condition of maximum output power.
获得了在最大生态学函数条件下的最佳效率、输出功率和熵产生，并与在最大输出功率条件下的结果进行比较。
The optimization of the ecological function makes the entropy generation rate of cycle decrease greatly and the thermal efficiency increase with the cost of a little decreasing of the power output.
生态学优化以牺牲小部分输出功率为代价，较大地降低了循环的熵产率，而且在一定程度上提高了热机效率。
By using numerical solution method, the optimal cycle performance characteristics of the engine at maximum power output, maximum efficiency and maximum ecological function are analyzed and discussed.
应用数值方法，分析并讨论了热机在最大输出功率、最大效率和最大生态学函数下的优化循环性能特性。
These processes function according to ecological principles, yet are initiated and maintained with technological means.
这些进程根据生态学原理发挥作用，但通过技术手段启动和维持。
The significance and function of wetland in ecological environment is discussed.
论述了湿地在生态环境中的意义和作用。
The function of city ecosystem is analyzed, and the conception about urban ecological environment evaluation is discussed.
分析了城市生态系统的功能，讨论了城市生态环境评价的概念和内涵。
The wetland is in the amphibious staggered zone of transition, maintains the region ecological equilibrium and the environment stable huge function.
湿地处于水陆交错的过渡地带，具有维护区域生态平衡和环境稳定的巨大功能。
Part four, the use of the concept of ecological monitoring of classroom teaching systems analysis, classroom instruction on the monitoring and control system structure, function and features.
第四部分，运用生态学理念对课堂教学监控系统进行分析，论述了课堂教学监控系统的结构、功能和特点。
The analytical expressions of power output, efficiency and ecological objective function are derived.
导出了该模型下输出功率、效率和生态学目标函数的表达式。
In the models the calculation on economical, social and ecological benefits is avoided, accepting the simpler goal function and limitation conditions that could reflect the three benefits indirectly.
在数学模型中避免了对经济、社会及生态效益的计算，采用了能间接反映三种效益而又较为简单的目标函数及约束条件。
It is able to reflect the characteristics of natural factors and artificial function, and discover the coupling relationship of ecological landscape factors by mapping.
通过制图可以反映自然要素和人为作用的特点，揭示生态景观要素的耦合关系。
With the city expanding, above ground water has been badly polluted and gradually lost its original function, the ecological systems have increasingly decayed.
由于城市规模的不断扩大，温岭市的地表水污染问题十分严重，原有的功能已逐渐丧失，生态系统日趋恶化。
Country parks own graceful scenery, high-priced ecological environment quality and function of propagandize and education, which are principal places for taking a leisurely life and going vacationing.
郊野公园景色优美，生态环境质量高，具有较好的宣传教育功能，是重要的城市休闲度假地。
The services of ecological system and their natural capital stocks involved are critical to the function of the Earth's (life-support) system.
生态系统服务和产生这些服务的自然资本对地球生命支持系统的功能有着极其重要的作用。
The soil area from the bearing function to the productivity function is 55.82 hm2 and to the ecological environment function is 0.53 hm2.
从承载力功能的土壤转向生产力功能的面积为55.82公顷，转向生态环境功能的为0.53公顷。
From the building experience and achievements of London, Paris and Seoul, the greenbelt could play an important function in the control of urban form and maintain urban ecological balance.
从伦敦、巴黎、首尔等城市的绿带建设经验和其取得的成就来看，环城绿带在控制城市空间形态、维护城市生态平衡方面经常可以发挥重要的功能。
As a widely used hi-tech with a powerful function of geo-analysis, GIS demonstrated its potential map visualization and spatial analysis in combination with ecological tourism areas evaluation models.
GIS是正在被广泛应用并具有强大空间分析能力的高新技术，与生态旅游分区评价模型结合，可充分发挥其地图化表现和空间分析能力。
Ecological services function is one of hot topics in today's ecological studies.
生态系统服务功能是当今生态学的一个热点研究领域。
The loss of wetland function to supply resources and improve ecological environment, caused by wetland desertification, led to the deterioration of humans living environment.
湿地荒漠化导致湿地提供资源和改善环境功能的丧失，使人类生存环境恶化。
Marked by powerful environmental function and ecological benefits, wetlands play an extraordinary role in keeping the ecological balance on the surface of the earth.
湿地具有强大的环境功能和生态效益，在维持地球表面生态平衡中起着极为重要的作用。
The original ecological active carbon adsorption except as furniture paint methanol, purify air function, there is a function?
原生态活性炭除了吸附像家具油漆甲醇，净化空气的功能之外还有什么作用？
Urban gardens have a function of improving ecological environment and transfiguring city image.
城市园林绿化具有改善城市生态环境和提高城市形象的功能。
Urban gardens have a function of improving ecological environment and transfiguring city image.
城市园林绿化具有改善城市生态环境和提高城市形象的功能。
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