pattern of population growth 中文意思是什麼

pattern of population growth 解釋
人口生育模式
  • pattern : n 1 模範，榜樣；典範。2 型，模型；模式；雛型；【冶金】原型。3 花樣；式樣；（服裝裁剪的）紙樣；圖...
  • of : OF ＝Old French 古法語。
  • population : n. 1. 人口；人口總數；全體居民；人口的聚居。2. 物的全體[總數]；【生物學】蟲口；種群（量）；群體；族，組，個數；【統計學】對象總體，全域。3. 【物理學】布居；密度。4. 〈罕用語〉殖民。
  • growth : n. 1. 生長，成長，發育，發展。2. 栽培，培養。3. 生長物，產物；【醫學】瘤，贅生物。4. 【經濟學】（資本價值與收益的）預期增長。
  1. Form. taxus chinensis var. mairei is protecting plant in the first class, which is a precious and endangering plant in china in this paper, the quantitative characterics of form. taxus chinensis vsr. mairei population including age structure, spatial distribution pattern, growth dynamics of tree basal area, niche characterics, fractal dimension and competition between specises were studied using methods of mathematics ecology from the angle of population ecology of form. taxus chinensis var. mairei, then the prent state and the endangering causes were analysed. this research offers gist to protecting and enlarging the crude resourse of form. taxus chinensis vsr. mairei population, afforesting plantation and sustainable utilize for us

    本文從南方紅豆杉種群生態學的角度、主要應用數學生態學的方法探討南方紅豆杉種群的數量特徵，包括南方紅豆杉種群年齡結構、種群空間格局（探討分佈格局動態規律與生境相互關系） 、不同立地條件下種群優勢度增長趨勢、生態位寬度、生態位相似比例、生態位重疊、空間占據能力及種間競爭等，分析其目前現狀及瀕危原因，期望為南方紅豆杉野生資源的保護和擴大、營造人工林及可持續利用提供理論基礎，也為瀕危植物種群生態學的研究提供參考。
  2. When economically still underdeveloped, china has accomplished a historic transition in population reproduction pattern from one featuring high birth rate, low death rate and high growth rate to one featuring low birth rate, low death rate and low growth rate in a relatively short period of time, a change that took decades or even up to a hundred years for developed countries to realize in the past

    中國在經濟不發達的情況下，用較短的時間實現了人口再生產類型從高出生、低死亡、高增長到低出生、低死亡、低增長的歷史性轉變，走完了一些發達國家數十年乃至上百年才走完的路。
  3. As economic development and population control promote each other, these areas have seen a transition, in a relatively short period of time, to the modern population reproduction pattern characterized by a low birth rate, low death rate and low natural growth rate

    經濟發展與人口控制相互促進，使這些地區在較短時間內實現了向低出生、低死亡、低自然增長的現代人口再生產類型的轉變。
  4. Gap disturbance had different effects on the density, frequency, distribution of size class, spatial distribution pattern, radial growth pattern of neolitsea aurata var. glauca population

    林隙干擾對縉雲山白毛新木姜子種群密度、頻度、徑級分佈、空間分佈格局、徑向生長都有不同程度影響。
  5. Basing on the research into the influence of water resources ecological environment on population development, economic growth and society advancement in minqin county gansu province, this essay suggests the principle of basing population development on water resource and ecological migration pattern

    摘要本文以對甘肅省民勤縣的深入調查為基礎，按照以水定人的思路，在認真分析目前該縣的水生態環境對人口發展、經濟增長和社會進步的產重影響的基礎上，提出了具體的生態移民的規劃思路、移民設計和運作模式等。
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