trend of population growth 中文意思是什麼

trend of population growth 解釋
人口增長趨勢
  • trend : n （路、河、海岸、山脈等的）走向；方向，方位；傾向，趨勢，動向。 the trend of events 形勢。vi 走...
  • 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. The method of modified simplex was applied to optimize the models, and the fitting results show that liu - logistic model was more suitable than logistic model to the actual growth trend of form. taxus chinensis var. mairei population, and the highest growth rate of basal area was the tenth age class, namely the phase when breast diameter was 68 ~ 76 cm

    以胸高斷面積代替種群生物量，分別採用logistic常規模型及劉金福提出的logistic改進模型對南方紅豆杉種群的增長動態進行研究，運用改進單純形法對模型進行優化，擬合結果表明改進模型比logistic常規模型更符合南方紅豆杉種群的增長趨勢，南方紅豆杉種群的最大增長速度出現在第10齡級，即胸徑為68 76cm時期。
  2. By analyzing the effect of dry fanning on grain production and the trend of population growth, this paper recommends the walking - type irrigation technique, which is practical and suitable for the situation in various regions of our country, to solve the problems of not being able to sow seeds timely and keeping a full stand of seedlings, so that we can guarantee the national grain production and provision

    摘要通過分析旱地農業對糧食生產的影響及人口增長趨勢，提出採用適合我國基本國情和各地實際情況的、實用的行走式節水灌溉技術，解決因乾旱無法適時播種和保苗這一長期困擾農民的「卡脖子旱」問題，從而保障糧食生產，保障國家糧食供給。
  3. The administrative obligatory distribution mechanism of rural land has lead to the serious trend that peasants hold land equally according to the member right of rural collective, and has stimulated the rapid growth of rural population, in turn, the growth has brought down the ration of peasant and land

    這種帶有行政強制性的農地分配機制產生了「村社集體成員權」平均?有土地的嚴重傾向，直接刺激了農村人口快速增長；反過來，人口增長又降低了農民的人地比率。
  4. Chapter two introduces the background of human resources development in western area, its current situation and the reason. through the detailed analysis of population and various indicators of population growth, summarizes the basic trend of quantity, quality and usage of human resources in western area

    第二部分呈示了西部人力資源開發的背景及西部地區人力資源狀況及成因，通過對西部人口數量、人口增長的各項指標的詳細分析，概括出西部人力資源的數量、素質特徵和利用狀況的基本態勢。
  5. But, because china ' s current population and family planning programmes and policies have won understanding and support from the people, the fertility level of the population has steadily reduced and the trend of overrapid population growth has been effectively checked along with the country ' s economic and social development

    但是，由於中國現行的人口與計劃生育方案和政策得到了人民的理解和支持，隨著中國經濟、社會的發展，人們的生育水平不斷下降，有效地抑制了人口過快增長的勢頭。
  6. In order to better understand the law governing and trend of the population change, further slow - down population growth, improve population quality, and properly formulate a population policy and social and economic development plan for the 21st century, the chinese government conducted its fifth national population census in november 2000

    為比較準確地把握人口變化的規律和趨勢，進一步控制人口增長，提高人口素質，正確制定面向二十一世紀的人口政策和社會經濟發展規劃，中國政府於2000年11月開展了第五次全國人口普查。
  7. The econometric results show that ( 1 ) the urban development in china have a trend of convergence, the larger the size of a city, the lower the population growth rate ; ( 2 ) the inertia of migration encourages urban population growth ; ( 3 ) the opening - up policy significantly favors urban development, and such effect is particularly significant in relatively backward inland areas ; ( 4 ) the infrastructure development has a significant impact on the speed of urban population growth

    實證分析的結果表明： （ 1 ）中國城市的發展具有趨同性，即城市規模越大，人口增長率越低； （ 2 ）遷移的慣性對城市人口增長起促進作用； （ 3 ）對外開放能顯著促進城市的發展，在經濟還處于相對封閉狀態的內陸地區，其作用尤為顯著； （ 4 ）基礎設施條件能顯著影響城市人口增長的節奏。
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