Biological hypotheses include ecological changes brought about by the evolution of cooperation between insects and flowering plants or of bottom-feeding predators in the oceans.
生物学上的假设包括生态变化，这些变化是由昆虫和开花植物之间的共同进化，或海洋中以海底生物为食的捕食者的进化所带来的。
There is evidence of major ecological and geological changes during this period.
有证据表明，这一时期发生了重大的生态和地质变化。
In this paper evolution of ancient lake in Taiyuan basin and changes of ecological environment were studied by optical enhancement of remote sensing image, geoscience analysis and historical records.
本文采取遥感图像光学增强、地学分析和历史资料论证的方法，研究了太原断陷盆地古湖泊的演变与生态环境的变化。
Objective to identify snail habitats and monitor the changes by combining remote sensing technique with the ground-based ecological data.
目的结合遥感技术和地面生态学调查数据区分钉螺孳生地并监测其变化。
Objective To investigate the effects of ecological environment changes on fasciolopsiasis epidemic in Weishan lake area after the South-to-North water diversion.
目的研究南水北调后微山湖生态环境改变对姜片虫病流行的影响。
Water conservancy projects, especially some mega-project construction in schistosomiasis endemic areas usually give rise to changes of the ecological environment in the project and downstream area.
水利工程特别是血吸虫病疫区的大型水利工程建设，往往会改变工程区及其下游地区的生态环境。
Some of ecological environmental changes rea conducive to control or elimination of schistosomiasis, but some ecological environment may lead to the spread of snails and schistosomiasis.
有些生态环境变化有利于控制或消除血吸虫病，而有些生态环境变化可能导致钉螺扩散和血吸虫病蔓延。
The spread of paragonimiasis was controlled with the ecological environment changes and the control methods enhanced in populati…
随着生态环境的变化及全民防治肺吸虫病的传播已被控制。
The third part discusses inheriting, activities and income of theatrical troupes by a tracked investigation, and the fourth part mainly discusses the ecological environment and cultural changes.
本文通过大量的田野调查结合已学过的理论知识、相关成果的研读从现状、生存、戏班传承收入、生态环境、音乐本体等方面对华亭曲子戏作以初步调查与研究。
Findings of the Beijing landscape pattern and changes in the urban landscape of the ecological environment is of great significance to the rational use of land and urban planning.
研究结果对于北京市景观格局特征和变化规律，对于城市景观生态环境的优化、土地的合理利用以及城市规划具有重要的意义。
The differences were affected by both climate changes in large area and local ecological environment.
其原因既受大区域性气候变化的影响，也受局部生态环境的影响。
On the one hand, economic activities are bound to happen in a certain ecological environment. It will undoubtedly result in some changes in ecosystem.
一方面，经济活动发生在一定的生态环境中，与生态环境进行着往复循环的能量与物质的转化，势必会引起生态环境的变动。
Permanent sample plots were set up in windfall area in western slope of Changbai mountain to investigate regeneration successively and determine changes in ecological habitats.
在长白山西坡的风灾干扰迹地进行永久样地连续更新调查和生境条件测定。
I record, in the past two decades, the growth of the children and great changes of people's concepts, ecological environment, etc.
二十年来我记录下孩子们的成长，人们思想观念、生态环境等方面的巨变。
I record, in the past two decades, the growth of the children and great changes of people's concepts, ecological environment, etc.
二十年来我记录下孩子们的成长，人们思想观念、生态环境等方面的巨变。
应用推荐