grain production base 中文意思是什麼

grain production base 解釋
糧食生產基地
  • grain : n 1 穀物,糧食〈英國叫 corn〉; 谷類植物。2 穀粒,籽粒。3 (沙、金、鹽等的)粒,顆粒,晶粒。4 些微...
  • production : n 1 生產,產生;【物理學】(粒子的)生成;製造;(電影的)攝制;(戲劇的)演出;著作。2 產品,製...
  • base : n 1 基底,基,根基,底座;底層,底子;(紀念碑等的)基址;(山)麓。2 【軍事】基地,根據地。3 根...
  1. Whether unless heilongjiang province the vast in the lands, for our country main grain production base, rice on cereal crops it is the with a very important position

    黑龍江省土地遼闊,是我國主要的糧食生產基地,水稻在糧食作物中的地位舉足輕重。
  2. Because of the rich natural resources, the arid area of northern wei river has become a production base of grain, fruit, and livestock of shannxi, which takes an important position in the development of agriculture economy in shannxi

    摘要渭北旱原自然資源豐富,是僅次於關中平原的陜西主要的農業區,現已初步開發成為陜西優質糧食和果畜產品生產基地。
  3. Hang - jia - hu water - net plain is the primary grain production base of zhejiang province. with a high population and intensive land utilization, agricultural non - point source pollution is extremely serious in this region. animal wastes, household cleaning products, farmland runoff and leakage mainly contribute to the anpsp

    杭嘉湖水網平原地區是浙江省主要的商品糧基地,土地利用強度大,人口稠密,農業面源污染嚴重,其中畜禽糞尿、生活污染、農田徑流和滲漏是該地區三大主要的農業面源污染源。
  4. Base on this, the thesis addressed the total food security concept ( tfs ) with normative study firstly ; then combined qualitative analysis with quantitative analysis, compared with many kinds of food security evaluation methods and the intellective bp - ann model, improved the heilig ' s evaluation matrix, constructed the total food security evaluation matrix ( tfs matrix ), analyzed grain - production, circulate and consuming all - sidedly ; at last, analyzed and compared with different modes that can realize our country food security, and studied the rationality and feasibility of food cooperative security further using the cooperative game model. the tfs pursuits sustainable grain production, stable and smooth grain circulation, fair and suitable grain consumption increase

    據此,本論文首先運用規范研究,提出全面糧食安全( totalfoodsecurity ,以下縮寫成tfs )的概念;然後將定性分析與定量分析相結合,比較了多種糧食安全評價方法及智能bp - ann模型,改進了黑利格評價矩陣( heidi ' sevaluationmatrix ) ,構建了全面糧食安全評價矩陣( totalfoodsecurityevaluationmatrix ,簡稱tfs矩陣) ,對糧食生產、流通與消費進行全面分析;最後分析和比較了實現我國糧食安全的不同模式,並應用合作博弈模型進一步探討了糧食合作安全的合理性與可行性。
  5. 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。
  6. On the basis of completing the research of the theoretic of agricultural production macro decision support system, the writer carries through the demonstration analysis research for chuangye farm, who has established the data houseware of agricultural production in chuangye farm, and has completed the the grain yield forecast, agricultural products " price index forecast, disaster changing forecast, industrial production structure assessment by using data mining system, the simulation of livestock ' s population change, analysis of input and output, and the establishment of model of industrial structure optimization. it settles the base for full information support to agricultural production macro decision of chuangye farm

    在完成農業生產宏觀決策支持系統理論研究的基礎上,作者以創業農場為研究對象進行了實證分析研究,建立了創業農場農業生產的數據倉庫系統,並應用數據開采系統完成了糧食產量預測、農產品價格預測、災害變化預測等工作,應用模型管理系統完成了牲畜種群變化的模擬和投入產出分析,並建立了宏觀生產結構優化模型,為創業農場農業生產宏觀決策提供全方位的信息支持奠定了基礎。
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