查询词典 ecosystem

This work was the preliminary work for further researching the especial forest ecosystem in this especial area.

为进一步揭研究这一地区特殊的森林生态系统动态、结构和功能积累必要的前期工作基础。

Brachionus angularis is usual specie in fresh water, and is considered to have important status in material cycle and energy transportation in fresh water ecosystem, and applied value in aquaculture.

角突臂尾轮虫是淡水常见轮虫种类之一，在自然水生态系统的物质循环和能量传递过程中具有重要的作用，在水产养殖和水环境监测等方面也具有重要的应用价值。

However, the islands ecosystem is so fragile that is susceptible to be damaged by human activities and disturbance.

然而，海岛生态系统十分脆弱，极易受到人类活动的破坏和扰动。

Acid rain ; acidifying sulfate ; critical loads ; ecosystem ; total emission control

酸雨；酸化硫酸根；临界负荷；生态；总量控制

Firstly, based on the acidity balance equation in ecosystem, together with the steady state mass balance equations of sulphur and nitrogen, formulae for calculating critical loads of not only acidity and sulphur, but also acidifying nitrogen and nutrient nitrogen were educed.

基于原有的生态系统酸度平衡关系，并结合临界状态下硫和氮的稳态质量平衡，推导出计算酸度、硫、酸化氮和营养氮临界负荷的公式。

The Urban afforestation is an important constituent of urban ecosystem.With the Urban pollution degree,the urban afforests plays an important role in the Urban ecological environment and the landscape.

城市绿化是城市生态系统的重要组成部分，随着城市污染程度的不断加深，城市绿化在改善城市生态环境和景观上发挥重要的作用。

Based on these studies, sea ice variations were combined with global climate change. The research fields about sea ice includes: the physical properties and processes of sea ice, together with snow cover, the ecosystem of sea ice regions, albedos of sea ice and its snow cover, mass balance of sea ice regions, sea ice and climate coupled model.

这些研究领域主要有：海冰及其表层雪的物理特性和过程、海冰区域生态特征、海冰区与气候相关的反照率和物质平衡研究以及海冰气候耦合模型等大的领域。

The population distribution of physiological groups of bacteria,including ammonifying bacteria, denitrifying bacteria, nitrobacteria and nitroso bacteria, organic phosphate dissolving bacteria and inorganic phosphate dissolving bacteria in water body and sediment of Suzhou Creek are studied with MPN and flat account method from Jan. 2002 to Mar. 2003. The role of these physiological groups of bacteria in Suzhou Creek aquatic ecosystem is discussed.

用最大可能数法和平板计数法，于2002年1月～2003年3月对苏州河水体和底泥中的主要微生物功能菌群——包括有机磷分解菌、无机磷分解菌、氨化菌、亚硝化菌、硝化菌和反硝化菌等进行了生态调查，并分析探讨了它们在苏州河水生态系统中的作用。

Greatly permit mountain with forest ecosystem tour for special feature, with landscape carefree feeling for topic, the tree is whole year round often green, the flower blossoms a fruit all the year round familiar, the mountain brook waterfalls splashes, 100 bird Jius blares, and the vegetable has the United States of"green treasure-house, plant Kingdom, animal paradise, tour heaven" to call.

大容山以森林生态旅游为特色，以山水闲情为主题，树木终年常绿，四季花开果熟，山涧瀑布飞溅，百鸟啾鸣，素有&绿色宝库，植物王国，动物乐园，旅游天堂&之美称。

As one of the core components of the global ecosystem, biodiversity closely correlates with sustainability of human beings.

生物多样性是全球生态系统构架的核心，它与人类社会可持续发展密切相关。

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％。