population growth rate 中文意思是什麼

population growth rate 解釋
群體生長率
  • 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。
  • rate : n 1 比率，率；速度，進度；程度；（鐘的快慢）差率。2 價格；行市，行情；估價，評價；費，費用，運費...
  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. The growth rate and winter hardiness trends are the opposite of those found in the interior population.

    這種生長速度和耐寒性變化的趨勢是與內地群體發現的情況相反。
  3. 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。
  4. So, population reproduction is not steady, and the get to the permanent steady quiescence need a long time. from the age structure, it also shows that during these twenties years, hetian belong to the intergraded reproduction of high birthrate, low death rate and high growth rate

    同樣，年齡構成指標從靜態和動態角度出發也反映出和田在近20年前後是屬于高出生、低死亡、高增長的過渡階段的人口再生產類型，年齡結構較為年輕。
  5. On the premise of stabilizing a low fertility level, china will achieve a gradual transition from a low population growth rate to zero growth, and the total population, after reaching its peak figure, will slowly decrease

    在穩定低生育水平的前提下，中國人口將由低增長逐步過渡到零增長，人口總量達到峰值后開始緩慢下降。
  6. He says : " afghanistan has a population of 25m and with our growth rate it will one day be 50m. that ' s the guarantee for my project ' s success.

    他說： 「阿富汗現有人口2500萬，以我們目前的增長速度，人口總有一天將達到5000萬。這是我們項目成功的保障。 」
  7. As a result of growth rate of australian population nature almost in successive years is in negative growth, because this population problem is all the time, restrict the serious problem that australian economy develops

    由於澳大利亞人口自然生長率幾乎連年處于負增長，因此人口問題一直是制約澳大利亞經濟發展的重要問題。
  8. In 2000 the natural growth rate of the qinghai population was

    2000年，青海省人口的自然增長率是多少
  9. Part three : analyze the particular feature of population in shantou city and conclude it is in the stage of great - base, high - growth rate and large - scale family, big - density, great - shortage in qualified persons and great pressure in job - seeking

    第三部分：汕頭市獨特的人口特點分析。分析了汕頭市人口基數大、增長快、密度大、家庭規模大，文化素質低，生育壓力大，就業壓力大，目前仍處于高自然增長率的人口生產階段。
  10. Although in recent years, china ' s population structure has changed into " three lows " complexion of low birth rate, low natural growth rate and low mortality rate thanks to china ' s unremitting efforts to carry out the family planning policy, a high growth is concomitant with the low birth rate

    雖然近年來，由於計劃生育政策的持續不懈努力，中國人口結構已轉變成低出生率、低自然增長率、低死亡率的"三低"局面，但與低出生率相伴生的，卻是高增長量。
  11. China is a developing country, having expansion section and numerous population, but its economy is not imbalance among vary areas. in the westward area of the china, there is weak ecosystem, high population natural growth rate, and big stress of offering unemployed persons an occupation, little number and low quality of human resource

    我國是一個發展中國家，地域遼闊、人口眾多、地區之間經濟發展不平衡，尤其是西部地區生態環境脆弱，人口自然增長率高，勞動就業壓力大，人力資源數量不足、質量不高，經濟落後，這些問題已經成為西部乃至全國經濟可持續發展的突出障礙。
  12. China ' s family planning policy fully conforms to item 9 of the united nations ' declaration of mexico city on population and growth in 1984, which demands that " countries which consider that their population growth rate hinders their national development plans should adopt appropriate population plans and programs. " it also accords with the un world population plan of action which stresses that every country has the sovereign right to formulate and implement its own population policy

    中國實行計劃生育，完全符合1984年聯合國《墨西歌城人口與發展宣言》的要求，即: 「凡認定其人口增長妨礙國家發展計劃的國家， 《人口行動計劃》的原則，即: 「人口政策的制定和執行是一個國家的主權。 」
  13. Meanwhile, tiller renewal percent rate ( rt % ) was used as an index to compare the population growth rate which at different size originally

    同時提出以分蘗百分比更新率r _來比較基礎構件種群大小不同的增長率。
  14. Tiller renewal rate ( rr ) was used to describe the population growth rate on modular level

    提出以分蘗更新率r _這一指標來表示無性系構件水平的種群增長率。
  15. They are agricultural productive materials price growth rate, sown area of grain crops growth rate, grain yield per area growth rate -, natural disaster covered grain areas growth rate, net grain import change rate, grain reserve change rate, population growth rate, per income growth rate, city and town population growth rate, food industry production value growth rate, year - end pig number growth rate, medical & pharmaceutical and textile industry production value growth rate, grain marketization degree, inflation rate using the previous year as base year ( preceding year = 100 ), public grain purchases price growth rate, investment in agricultural science and technology growth rate, investment in agricultural infrastructure growth rate, growth rate of graduates number from agriculture, forestry, science & technology universities and colleges and specialized secondary schools, government expenditure for agriculture and agricultural credit growth rate, international grain price growth rate, rmb exchange rate growth rate, last grain price growth rate, economic crop price growth rate, meanwhile, a new method is attempted to be used in this paper and the grain price early - warning problem is transformed into machine learning problem by introducing statistic learning theory and svm method which are gaining popularity in machine learning field at present in the world

    在此基礎上，篩選出23個警兆指標：農用生產資料價格增長率、糧食播種面積增長率、糧食單產增長率、糧食受災面積增長率、糧食凈進口量變化率、糧食儲備變動率、人口增長率、人均收入增長率、城鎮人口增長率、食品工業產值增長率、豬年末頭數增長率、醫藥紡織工業產值增長率、糧食市場化程度、以上年為基年的通貨膨脹率、國家糧食定購價格增長率、農業科技投入增長率、農業基礎設施投入增長率、農、林、科技高校大、中專畢業生人數增長率、財政支農資金比重及農業信貸增長率、國際糧食市場價格增長率、人民幣匯率增長率、上期糧食價格增長率、經濟作物價格增長率。同時論文在預警方法上作了新的嘗試，把糧食價格預警問題轉換成一個機器學習問題，引進當前國際上機器學習領域中比較熱門的統計學習理論和支持向量機方法，用順序回歸演算法對歷史數據進行學習建立了糧食價格預警模型。
  16. The annual population growth rate over the decade averaged 1. 8 per cent

    過去十年，人口的平均每年增長率為1
  17. The peak population growth rate ever reached, about 2. 1 percent a year, occurred between 1965 and 1970

    人類的人口成長率在1965 ~ 1970年之間攀上空前的尖峰，大約一年2 . 1 % 。
  18. Municipal solid waste loads are growing at about three times the population growth rate, which is unsustainable

    本港的都市固體廢物增長速度比人口增長快三倍，如此下去又豈能持續？
  19. The post - war green revolution in these countries coincided with low ( and still decreasing ) population growth rate

    戰后發生在這些國家的「綠色革命」伴隨著較低（現仍在下降）的人口增長率。
  20. 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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