forestry science 中文意思是什麼

forestry science 解釋
林學
  • forestry : n. 1. 森林學。2. 林業。3. 森林，森林地帶。
  • science : n 1 科學；科學研究。2 （一門）科學，學科。3 自然科學。4 學；學問；〈古語〉知識。5 （拳術、馬術等...
  1. This paper expounds the development and variation of the forestry science ， forest and forestry neally in past two cen turies the forestry science in itself goes through a transformation from traditional forestry science to modern forestry s cience. the modern forestry science, with the object of studying the establishment ， manageme nt and exploitation of the forestry ecosystem and the core of developing the eco logical environinent functi on of the forestry ecosystem ， is a subject that takes an overall play to the mul tiple benefits and function of forest. the cognition of forest also undergoes a variation from a single tree to trees g roup and still to forest ecosystem due to the deep alteration of the understand ing of forestry science and forest ， people begin changing their understanding of forestry from a central for m of timber utilizing which formed for a long time to a form that takes developi ng the ecological environment function of forestry ecosystem as its core and fo cal point ， and takes an overall play to the ecological ， economical and social function of forestry as its leadi ng thought and aim ， so as to realize the sustainable development of forestry

    論述了林學、森林與林業近兩個多世紀以來的發展和變化.林學經歷了由傳統林學向現代林學的轉變.現代林學是以森林生態系統的營建、經營管理和利用為研究對象，以發揮森林生態系統的生態環境功能為核心，全面發揮森林的多種效益和多種功能為目的的學科.對森林的認識也經歷了由單株樹木到樹木群體到森林生態系統的變化.由於對林學及森林認識的深刻變化，人們對林業的認識也就從長期形成的以木材利用為中心，轉變到以發揮森林生態系統的生態環境作用為核心和重點，全面發揮森林的生態、經濟和社會功能作為林業的指導思想和目標，以實現林業的可持續發展
  2. Journal of west china forestry science

    西部林業科學
  3. Guangxi forestry science

    廣西林業科學
  4. Six experts in forestry science and economics say forest growth is on the rise in some countries and the number is increasing

    六位林業科學與經濟專家認為有些國家的森林覆蓋面積正在增長，並進一步擴大。
  5. Successful ( six experts ) in forest tree ( forestry ) science and economics say forest growth is on the rising in some countries and the number is increasing

    六位林業科學與經濟的專家說，在一些國家，森林的培植呈上升狀態，森林的數目也在增長。
  6. Forestry science and technology information

    林業科技情報
  7. Journal of jiangsu forestry science amp; technology

    江蘇林業科技
  8. Inner mongolia forestry science and technology

    內蒙古林業科技
  9. Journal of jiangsu forestry science technology

    江蘇林業科技
  10. Guangdong forestry science and technology

    廣東林業科技
  11. Liaoning forestry science and technology

    遼寧林業科技
  12. Guizhou forestry science and technology

    貴州林業科技
  13. China forestry science and technology

    林業科技開發
  14. Article 6 the state encourages research of the forestry science, popularizes advanced forestry technology and raises the level of forestry science and technology

    第六條國家鼓勵林業科學研究，推廣林業先進技術，提高林業科學技術水平。
  15. The qiuhe environment view the design business office in peking is the national second class profession design organization that belongs to the chinese forestry science institute for research engineering to design the hospital

    北京丘禾環境景觀設計事務所是隸屬于中國林業科學研究院工程設計院的國家二級專業設計機構。
  16. Studies on management forms of forestry households. zhejiang forestry science and technology. 2001, 21

    林業家庭經營形式的研究浙江林業科技2001 ， 21 1
  17. The preliminary study on the construction of integrated public service of fujian forestry science and technology

    福建林業科技集成公共服務建設的初步研究
  18. In view of existing problems of capital asserts managements of forestry science research units, this paper raised the detail measures for strengthening the capital asserts management so as to assure the various works ' successful developments of forestry science research units

    摘要針對林業科研單位固定資產管理存在的問題，提出加強固定資產管理的具體措施，以確保林業科研單位各項工作順利開展。
  19. 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。
  20. Based on the analysis of forestry situation and problems in guangze county after the innovation of forest property right system, and the exploration of forest management and fire control new mechanism in northern fujian province, the general goal of forest management in the new era was put forward, which was to set up five corresponding systems for the innovation of forest property right system ( five system - resources cultivation and management system, forest intensive management system, forestry science and technology service system, forest fire control system, and forest pest and disease control system )

    摘要通過分析光澤縣集體林權制度改革后的林業現狀和間題，探索閩北林區森林經營管理和森林防火新機制，提出新時期森林經營的總體目標是構建鞏固林權制度改革成果的五大配套體系（資源培育和管理體系、森林集約化經營和管理體系、林業科技和技術服務體系、森林防火體系、森林病蟲害防治體系） 。
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