經濟閾值 的英文怎麼說
中文拼音 [jīngjìyùzhí]
經濟閾值
英文
economic thresholds-
When the cucumber plant grew into the 4 - leaf stage, the eil of b. tabaci was 9. 3159 % ; the et of b. tabaci was about 18. 4474 adults / plant, or 4. 6119 adults / leaf
黃瓜幼苗4葉期時，煙粉虱的經濟損害水平為9 . 3159 % ；煙粉虱的經濟閾值為每株黃瓜有煙粉虱成蟲18 . 4474頭，即平均每片黃瓜葉有成蟲4 . 6119頭。The cdee is a kind of limited development whose limited premise is the carrying capacity of environmental resources. also cdee is the joint development of environment and economy. cdee has characteristics of stage, coordination, gradation, relative stability and absolute dynamic
環境與經濟協調發展是以環境資源承載力閾限值為限的發展，是環境與經濟相互促進的共同發展，其特點是：階段性、協調性、層次性、相對穩定性和絕對動態性。In the fundamental research part, first taking the economical growth, the economical development and the economical point of growth theories as the foundation, analyzed the economical growth and the economical development connotation, embarked from the product, analyzes and has limited the economical point of growth and the new economical point of growth concept and the characteristic
第二章在剖析經濟增長與經濟發展內涵的基礎上，重新界定了新經濟增長點的內涵，提出了新經濟增長點的測度閾值模型體系，並詳細分析了新經濟增長點的形成之源。The experiment was conducted to estimate the economic injury level ( eil ) and economic threshold ( et ) of b. tabaci
摘要研究了煙粉虱在黃瓜上的經濟損害水平和經濟閾值。Relationship between the population density of schizotetranychus nanjingensis with the bamboo output and the determination of economic threshold
南京裂爪蟎種群密度與新竹產量的關系及經濟閾值的研究Via investigation and analysis, it discussed relation between occurrence of wheat yellow dwarf and yield. morbidity and grades standard was determined as well as wheat dwarf economic threshold
摘要通過系統調查與分析，探索了小麥黃矮病的發生程度與產量的關系，確定了其發病程度與分級標準，研究出了小麥黃矮病的經濟閾值。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。4. the results indicated that the applied nitrogen amount had a quadratic curve relation with grain yield. yield and profit increased with the amount of nitrogen applied under a certain amount of nitrogen
田間試驗結果表明，施氮量與產量呈二次曲線關系，在一定的施氮量范圍內，產量和經濟效益都隨施氮量增加而提高，超過施氮量閾值，增加施氮量，產量和經濟效益下降。The method to control chaos by using uniform phase space compression is applied to economic systems in this paper, and a new stabilization method celled threshold stabilization method that suppresses chaos by adding upper hound or and lower bound to state variable is developed according to the characteristic of economic systems
摘要把利用相空間壓縮來控制混沌應用於經濟系統， ?針對經濟系統的特點引申出閾值控製法，即通過限制變量取值的上限或（和）下限來達到控制混沌的目的。分享友人