economic crop 中文意思是什麼

economic crop 解釋
經濟作物
  • economic : adj. 1. 經濟學的；經濟（上）的；實用的。2. 〈罕用語〉經濟的，節儉的。3. 〈委婉語〉故意隱瞞的。
  • crop : n 1 農作物，莊稼；收獲；收成；〈the crops〉 一季的收獲量，產量。2 （同一時期出現的人物等）一批，...
  1. The thesis is based on income question, forest coverage rate and grop production. to beging with, date envelopment analysis is proved that it can be applicated into grain for green in shan - bei district, and then in view of the fact, seven esential factors which have influence on the project are found out : expense of dam, expense of crop, expense of cash tree, expense of defense tree, other economic crop, expense of grass and graziery ; and the output factors include : income of gdp, pure income per captia, the area of decreasing land loss, graziery income, crop production, income of tree, the totle income of economic crop. after the date of each facts are puted into dea model, unefficiencial decision making units ( dmu ) found. the data that are got through adjusting unefficiencial dmus dy dea can offer guide in shanbei district upgrading of an industrial structure. at the same time, taking into account some possible problems in or after grain for green in shan - bei district, the thesis bring out some propesal to improve the circ umstance, enhance the life level and put the relation of population, resource and circumstance into a healthy orbit

    因此，加快退耕還林還草，調整土地利用結構和產業結構，已成為實現山川秀美工程和可持續發展戰略的必經之路。論文以解決陜北地區的收入問題，植被問題以及糧食產量問題為出發點，首先從理論上分析了包絡分析方法在陜北地區退耕還林（草）中運用的可行性，然後結合陜北地區目前的實際情況，綜合分析出影響陜北地區退耕還林（草）的關鍵的七個因素作為輸入指標：水利水保設施投入，農作物投入，經濟林種支出，防護林支出，其它經濟作物，草類支出，畜牧業投入；以退耕還林所要解決的最終問題作為輸出指標： gdp收入、農民人均純收入、水土流失減少量、牧業總產值、糧食產量、林業總產值、其他經濟作物總產值。將各指標所對應的數據代入模型后，通過分析求解得出非有效的決策單元，再運用包絡分析方法的一些基本原理對非有效的決策單元進行調整，由此所得的數據對陜北地區的實際投入具有很好的指導意義。
  2. Rubber tree ( hevea brasiliensis ) is an important economic woody - crop in tropical areas. its latex is the unique source of crude rubber used in current industry. because of its special and important use, the rubber tree has been extensively planted in tropical areas. increase production is always the main target in rubber tree cultivation. since the ethrel was applied in increasing latex production in 1968 for the first time as a chemical stimulant, not only the latex production had been increased largely, but also a new set of rubber tapping system had been established, leading to a series of economic benefit. owing to ethrel " s extensive application, its side effects had been found more and more obviously, such as tapping dry, speeding up senescence, shortening the life span of rubber tree etc. in order to overcome the side effects and increase production more availably, for a long time, people had carried out lots of research work on cell level, membrane level, physiology and biochemistry of laticifer contents. but the mech anism why ethrel increased latex production was not yet understood completely. this study had cloned the ethylene receptor gene ( efrl ) from rubber tree, and researched the relationship between etrl expression in laticifers and ethrel stimulation on transcription level and protein translation level. the results were as follows : 1

    但是，由於乙烯利應用的普及，乙烯利刺激割膠引起橡膠樹發生死皮病及加速膠樹衰老，縮短膠樹壽命等副作用也越來越明顯。為了克服這些副作用，使乙烯利能更有效地刺激增產，長期以來，人們在細胞水平、膜水平和乳管細胞內含物的生理生化層面上進行了大量的研究，但仍未完全了解乙烯對膠樹的作用機制。本研究從分子水平入手，克隆橡膠樹的乙烯受體基因（ etr1 ） ，並在轉錄水平和蛋白質翻譯水平上研究etr1基因在乳管細胞中的表達及與乙烯刺激的關系，取得了以下結果： 1
  3. However, unless such calculations are made, estimated crop production and economic potentials for china cannot be described

    但不作出這些計算，就很難描述中國的作物生產和經濟潛力。
  4. Including actuality evaluation, environmental identification analysis, dynamic harmonious analysis, dynamic simulation analysis and policy decision putting into optimization scheme. the results showed as follows. 1, in the current agricultural production structure, output value of animal husbandry and crop planting occupy 93. 4 % of agricultural total output value, and forestry and fishery do not get fully reasonably develop ; the wild economic vegetables and fruits resources and water resources etc, are the superiority environment factors of agriculture development of this area, and the slope farmland and service system etc, are limited environment factors, and the science - technology and labor quality etc, are potential environment factors ; there exists some problems in the agricultural production system, for example, single productive constitution do n ' t correspond with varieties of resources, rich plant resources exploitation scarcity and economical crop development lag

    本文選擇四川盆周山區這一特定地貌區域作為研究對象，以滎經縣為代表研究了該區農業生產結構的優化調整，包括農業生產系統的現有結構評價、環境辨識分析、動態協調分析、動態模擬評價分析和實施優化方案的決策建議，結果表明： 1 、滎經現有結構為以畜牧業和種植業並重的豬糧為主的農業生產結構，二者產值占農業總產值的93 . 4 ，林業、漁業未得到充分合理發展；野生經濟菜果資源、水資源等為該區農業發展的優勢環境因子，坡耕地、服務體系等為限制環境因子，科技、勞動力素質等為潛力環境因子；同時該區農業生產系統存在著生產結構的單一性與資源多樣性的利用不協調、豐富的植物資源開發不足、經濟作物發展滯后等問題。
  5. To foreground my argument, i shall argue that under appreciated, if not completely overlooked innovations in food storage, processing, transport, preservation, finance, and marketing may have meant more in economic and social terms than the developments agricultural historians have traditionally chosen to zero in on : crop cultivation and the raising of livestock

    我將指出：被忽視、甚至被完全無視的食物貯藏、加工、運輸、保鮮、金融、和銷售等方面的各種發明，比農業史學家們傳統地關注的農作物和畜牧業的各種發明可能更具有經濟和社會的重要性
  6. According to the natural characteristics of maowusu desert, insisting crop plantation animal husbandry should be mainly insisted with the innovation of science and technology. 5 kinds management patterns were developed for animal husbandry and in order to expand the ways for increasing peasants economic income and promote the economy of area, realize the coordinative development of ecological environment, economy and society

    摘要根據鹽池縣毛烏素沙地自然特點，堅持以發展種植業、畜牧業為主線，以科技創新為動力，開發出5種毛烏素沙地草地畜牧業經營模式並進行示範，以擴寬增加農民經濟收入渠道，促進區域經濟的發展，實現生態環境、經濟、社會的協調發展。
  7. In order to evaluate the eco - economic adaptability of crops production, the concepts and calculative methods of ecological potential capacity and market potential capacity were put forward, the dynamic threshold value system of the indexes for the economic adaptability of different crop - region combinations was established, the calculative method of the single eco - economic adaptability indexes, the comprehensive eco - economic adaptability indexes which reflects the principle of minimum factor and the apparent eco - economic adaptability indexes and the regional comprehensive apparent eco - economic adaptability indexes which reflects practical situation of crops production were built up. 12 representative counties in jiangsu province were selected to analysis, and 77 combinations of eco - economic adaptability indexes, apparent eco - economic adaptability indexes of crop - region and 12 regional comprehensive apparent eco - economic adaptability indexes were obtained

    摘要為評價作物生產的生態經濟適宜性，提出了生態容量潛勢和市場容量潛勢的概念和計算方法，建立了適用於不同作物地區組合的、各指標閾值具有動態性的生態經濟適宜性評價指標閾值體系，構建了單生態經濟指標適宜性指數及反映最小因子定律的綜合生態經濟適宜性指數、表現作物生產現狀的表觀生態經濟適宜性指數和地區綜合表觀生態經濟適宜性指數的計算方法。
  8. The function of the software is useful, it has provided many functions such as the calculate of crop water requirement, pipeline layout ( automatic layout and manual operation ) and its optimization, pipe diameter optimization. investment budgetary estimate and economic beneficial result can be result. and can rapid create plan and do plan comparison, the software provides many kinds of result output such as graph. text, table and so on

    該系統可以實行作物需水量計算，系統設計流量推算、管道水力計算、工程投資概算，經濟效益分析等功能，建立了常用的數據庫（管材、管件、水泵和電機等）並對其進行管理和維護，可以實現包括管道布置、管徑優化、管材選擇等多種參數選擇在內的多種方案比較、優選。系統能提供圖形、文本、表格等多種形式的成果輸出，人機交互界面友好，操作方便。
  9. Because the mid - summer drought is conspicuous, this part also sums up the characteristic of it this year, and regards affected area, destroyed area, died - out areas the disaster rate, the hazard - occurred rate and the died - out rate of the crop as norm based on the datas that disaster reduction office of chongqing offering in order to stress the characteristic with serious economic losses that year

    由於該年以伏旱突出，故本文還歸納了這年伏旱的特點，並在重慶市救災辦提供的資料基礎上，以作物受災面積、成災面積、絕收面積、受災率、成災率、絕收率為指標，來突出該年伏旱經濟損失嚴重的特徵。
  10. Konjak is a economic crop that has the high quantity of glucomannan, which suggests that konjak possesses the significant value of exploitation

    摘要魔芋是含葡甘聚糖較高的一種經濟作物，具有較大的開發價值。
  11. 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。
  12. A cultivated land evaluation system was constructed in the light of land evaluation and site assessment in american. with analyzing the character of natural factor and socio - economic factor and taking the productivity of specified indicator crop as the index of quality of cultivated land, the contributing ratio of natural factor and socio - economic factor to the quality of cultivated land was ascertained

    借鑒美國土地評價與立地分析系統（ lesa ）的模式，建立了一套耕地質量評價體系，對耕地的自然因素與社會經濟因素進行具體分析，並確定在本文所界定耕地質量內涵下，自然因素與社會經濟因素對耕地質量的貢獻率。
  13. It not only promotes the big area fast bumper crop forest planter, the improvement ecological environment, promotes the countryside industrial structure adjustment, moreover becomes the prosperous common people to be popular business to additionally receive creates the effect the bridge and the link, has the good economic efficiency and the social efficiency

    它不僅促進大面積快速豐產林的種植，改善生態環境，促進農村產業結構調整，而且成為富民興企增收創效的橋梁和紐帶，具有良好的經濟效益和社會效益。
  14. Those second time a project the accumulation of environment resources 、 manpower demand in the age of technology of knowledge industry collect it can be seen give maximum marking up national strength, there for spread of create technology of absolute influence as well as the area industrial structure crop up relative displacement of significance, all it is entirely possible to raise area economic growth fluctuate safety of limit

    摘要中國雲南與東盟的環境資源、人力資本、技術和技術知識集群可以大大提高國家的實力，這對于技術創新和擴散的絕對影響以及地區產業結構的發生相對位移的意義都有可能提高區域經濟增長波動的安全邊際。
  15. This symposium will add to the collective knowledge of higher yielding cropping systems and will provide insight into the positive environmental as well as economic effects of improved input management and crop production

    本次會議能增加高產種植體系的綜合知識，提供改進投入管理和作物生產對環境和經濟有益影響的細節。
  16. Firstly, according to the connotation of cultivated land quality defined, the attribute of natural and socio - economic factor was analyzed which included their components, the function style to cultivated land and the administrated character while the productivity of specified indicator crop was confirmed as cultivated land quality indicator

    本文首先界定了耕地質量內涵，分析了自然因素與社會經濟因素的組成、對耕地的作用方式及其在管理上的利用特點，並確定單位面積標準糧食產量為耕地質量指標。
  17. Finally, the contributing ratio of natural factor and socio - economic factor to the quality of cul tivated land was calculated based on the relationship between the cultivated land evaluation value and the productivity of specified indicator crop using the correlating function of spss

    最後，根據耕地質量綜合分值與單位面積標準糧產量之間的相關關系，利用spss求取自然因素與社會經濟因素對耕地質量的貢獻率，並與lesa進行對比分析。
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