unstable community 中文意思是什麼
unstable community
解釋
不穩定群落-
The urban ecosystem is a complex of society, economy and nature that consists of urban population and many natural factors that include urban bio - community of plant, animal and microorganism, urban geology and landform, urban hydrology and water resource, soil resource. the urban ecosystem have not only the ecological process and function that is homologous with natural ecosystem but also characteristic and other opening, complex and unstable character
城市生態系統是是由植物、動物、微生物等城市生物群落、城市氣候、城市地質地貌、城市水文與水資源、土地資源等自然要素，以及城市人口等組成的社會、經濟、自然的復合體，既具有與自然生態系統相應的生態過程和生態功能，更具有自己的特性，具有開放性、復合性和不穩定性等特點。 -
Iii ) for artificial communities including herbaceous community, pure conifer and needle broad - leaved mixed forest, the poor niche configuration and serious niche overlap of component species made the composition structure of community be in an unstable state
3 ）人工構建的群落（包括草本群落、針葉純林和針闊混交林）其組成物種生態位配置差，生態位重疊大，造成群落組成結構不穩定。 -
It marked the recognition of climate change as a core security issue. it demonstrated that the vast majority of the international community now see an unstable climate as an unprecedented threat that we must meet with much greater urgency and ambition
周二是具有里程碑意義的一天，它標志著氣候變化已經成為一個核心安全問題，顯示了廣大范圍內的國際社會已經把不穩定的氣候因素看成是人類面對的空前威脅。
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