economic threshold 中文意思是什麼
economic threshold
解釋
經濟閾值-
Economic threshold for the control of apple fruit borer
桃小食心蟲的防治標準 -
Economic threshold of the rice stem borer
水稻二化螟防治標準 -
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。 -
This paper reviews experimental economic research on the use of rebate rules in providing and valuing threshold public goods, which are goods that cannot be provided in part, but only in whole after a certain cost, called a provision point or threshold, is covered
摘要此報告回顧有關應用退還規則以提供及評價門檻公共財之試驗經濟研究，此種公共財不能只提供一部分，僅能在超過某種成本之後提供全部，其稱為提供點或門檻。 -
Different labeling policies are not based on the scientific risk assessment, rather it lies on different political, economic and trade considerations. in this paper, labeling regulations in different countries and territories are reviewed including : the type and scope, the threshold level and exemption, the content of labeling, and the negative labeling for non - gm products. the problems and potential impacts of labeling system on gm products are discus
本文在分析不同國家和地區轉基因產品標識管理政策的基礎上，從標識類別、標識范圍、標識閾值及豁兔政策、標識內容和陰性標識五個方面，對不同國家和地區的標識管理政策進行了比較，並對標識管理中存在的問題進行了分析。 -
The results indicate that when the population, economic and urban scales approach or exceed the water resources carrying capacity, or the utilization of water resources approaches or exceeds the threshold of natural water resources, the water resources system significantly slows down the development of socio - economic systems, including the urbanization process
研究成果指出，當人口、經濟及都市規模接近或超過水資源飽和，又或者都市化水資源接近或超過自然水資源的范圍，水資源系統明顯使社會經濟系統發展緩慢下來? ?也包括都市化的過程。 -
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。 -
Besides, the paper uses the mathematics model set up of oneself to synthesized competence and carries on whole appraisal to the industrialization of county economic in hunan province, pointes out that the industrialization of county economic synthesizes competence and still in the threshold of industrialized intermediate stage
同時，運用自己建立的數學模型對湖南省縣域經濟工業化綜合水平進行了整體評價，指出了湖南省縣域經濟工業化綜合水平仍處在工業化中級階段的門檻前。 -
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。
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