year-end population 中文意思是什麼

year-end population 解釋
年末人口
  • year : n 1 年，歲；一年。2 年度，學年。3 〈pl 〉年紀，年齡，歲數；〈pl 〉老年。 ★在表示歲數時， years 略...
  • end : n 1 端，尖，末端，終點。2 邊緣；極點，極限。3 結局，結果。4 目的。5 最後，死。6 【紡織；印染】經...
  • 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。
  1. Especially since 1990s, the increase year in and year out of quantity of floating population, " farmers " frenzied hunt for work in cities " annual tide get up tide, become will it be the end the 20th century china one of the most noticeable phenomena of the social economic life

    尤其是20世紀90年代以來，流動人口的數量年復一年的增加， 「民工潮」每年潮起潮湧，成為20世紀末中國社會經濟生活中最引人矚目的現象之一。廣東作為我國改革開放的前沿陣地，是全國經濟發達的地區之一，也是全國流動人口的主要流入地之一。
  2. At present china is in the acceleration stage of the town development, and chongqing has also entered the town acceleration phase. to the end of the year 2002, the total population of chongqing was 31070 thousand, among them the town population 11310 thousand, and the urbanization rate was over 30 % in 2002

    中國目前正處于城鎮化發展的加速階段，重慶也進入了國際公認的城鎮化加速期，到2002年底，重慶市全市總人口3107萬人，其中城鎮人口1131萬人，全市的城鎮化率已超過30 。
  3. 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。
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