trend of proportion 中文意思是什麼

trend of proportion 解釋
百分比趨勢
  • trend : n （路、河、海岸、山脈等的）走向；方向，方位；傾向，趨勢，動向。 the trend of events 形勢。vi 走...
  • of : OF ＝Old French 古法語。
  • proportion : n. 1. 比，比率；【數學】比例。2. 相稱，平衡，調和，配合。3. 份；部分。4. 〈pl. 〉 大小，面積，容積。vt. 1. 使相稱，使均衡。2. 攤派，分配。
  1. The related research papers, in which the studies on proportion, status and trend of pine wood nematode were reported in recent years, were reviewed and analyzed

    目前松材線蟲病的研究仍是日本國森林病蟲害的主要研究課題。
  2. Abstract : on the basis of that the proportion of time spent sparking is analyzed in electrical discharge machining ( edm ) process, a new method. which is used to ascertain the trend of discharge gap change, is presented. and a fuzzy control strtegy is introduced to parctical use, the results is well

    文摘:通過對電火花成形機放電狀態的分析，提出了利用分析周期內出現異常放電狀態時間的比例及開路狀態所佔時間的比例，來判別電火花成形加工的間隙放電狀態及其變化趨勢的方法，並在此基礎上利用模糊控制策略實現了對電火花成形加工過程中放電狀態的控制，取得了令人滿意的效果。
  3. The paper is divided into three sector : in the first sector, base on cohort - component method and via quantitative analysis and qualitative analysis to matter of fact, the paper imports several variable : accelerating function of survival rate, correct children women ratio, proportion of infants, and establish correct cohort - component method. in the second sector, base on several hypothesis, zhejiang province population forecasts are made by correct cohort - component method, and population composing are presented in the future. in the third sector, base on results of zhejiang province population forecasts, the paper discusses change trend of mainly population index in the 21 century, and analyzes how population trend effects development of society and economy

    本文分三部分進行：第一部分，在隊列要素法的基礎上，通過對實際情況的定量分析與定性分析，在模型中引入了以下變量：生存概率加速函數、修正兒童婦女比、幼兒性別比，建立了修正隊列要素法模型；第二部分，在幾個重要假設的基礎上，根據修正隊列要素法進行浙江省未來五十年人口預測，給出了各預測年份分性別年齡的人口構成情況；第三部分，是在上述預測結果的基礎上，對21世紀前半葉浙江省的主要人口指標的變化趨勢進行討論，並對浙江省的總的人口變動趨勢及其對社會經濟發展影響進行分析。
  4. Based on the analysis of the trend of social change and educational reform orientated foward the 21st century, the authors believe that the key to enlarge the proportion of optional courese and cut down on technology courses

    在分析21世紀初社會變化趨勢及高等教育所面臨的形勢基礎上，筆者認為，體育院校教學內容需增加選修課內容比重，加強實踐環節、減少技術課教學比重；應重視體育人文社會學科建設，拓寬專業口徑。
  5. However the density of trees increased, and at the same time, shrubs density, maxium proportion of tree number of certain dbh range trend to decrease

    而喬木密度呈增加趨勢，而灌木密度和喬木樹種的最大株數比例的胸徑范圍呈不斷降低趨勢。
  6. This paper documents significant negative announcement effects of seasoned equity offerings in china for the period 1999 - 2002. then we examine the linear regression model. the multivariate regression results show growth opportunities, management holding stock proportion, circulating stock capital and stock market trend have significant positive effect on ar, and announcement year has significant negative effect on ar

    對本文模型進行回歸分析的結果顯示，我國上市公司的股權分裂對公告日異常收益率有一定的負面影響；上市公司成長性、高管持股比例、流通股本規模及大盤走勢與公告日異常收益率顯著正相關；公告年度與公告日異常收益率顯著負相關。
  7. The foreign trade with the port city of the inland river is active day by day, it is an inevitable trend that containerized transport proportion rises constantly, so the inland river port should meet the demand for the containerized transport goods, strengthen the construction of the auxiliary facility in the port. make it served local economic development better

    隨著內河港口城市的對外貿易日益活躍，集裝箱運輸比重不斷上升是一個必然的趨勢，因此內河港口應該適應集裝箱運輸貨物的需求，加強港口配套設施的建設，使之更好地為當地經濟發展服務。
  8. The overall temporal and spatial variation trends in the recent 30 years are that : the total area of desertification land is increasing. the reverse trend of land desertification is greater than the evaluative trend. the proportion of gently reversion and distinctively reversion is equivalent

    30年來，科爾沁沙地土地沙漠化的時空變化總體趨勢是：沙漠化土地的總面積呈增加趨勢；研究區土地沙漠化逆轉的趨勢大於發展的趨勢，輕度逆轉和明顯逆轉的比例相當；土地沙漠化的程度加重。
  9. According to the viewpoint of prof. f. h. wittmann and the development trend of concrete science, the author has successfully combined the theory of fuzzy cluster analysis with the quality control work of rmc production by mathematical modeling, hi actual work, there are some differences of concrete mix proportion and concrete performance index between the standard sample that is accord with all demands of hpc and differential sample that is mainly accord with demands of mix design by comparing and clustering. therefore, rmc is up to the standard of hpc after adjusting these differences

    本文正是基於上述指導思想和混凝土材料科學的發展趨勢，把模糊聚類的分析理論和混凝土質量控制工作中存在的問題，通過建立數學模型將二者有效地結合起來，其目的及意義是：在實際工作中，將基本符合設計要求的若干組混凝土配合比數據、性能指標數據，與經過工程實際檢驗、符合高性能混凝土各項指標要求的混凝土進行比較、歸類，找出差異，調整參數，實現混凝土生產的高性能化。
  10. The proportion of high - tech product trade in the world commodity trade is higher and higher, and the knowledge - intensive and skill - intensive trend of the world trade products appears day by day

    高技術產品貿易在世界貨物貿易中的比重越來越高，世界貿易產品知識技術密集化趨勢日益顯現。
  11. In 2000 were compared with 1978, and the primary industry specific proportion of 31 province cities proper all descends by a wide margin, and tertiary industry specific proportion all quickly moves upward the fen number occupying in the various industry total output value at home, and the specific proportion that secondary industry specific proportion has only 9 province cities proper slightly has, and trend is assumed in all the other 22 province cities proper

    2000年與1978年相比，各產業在國內生產總值中所佔分額， 31個省市區的第一產業比重都大幅度下降，第三產業比重都較快地上升，而第二產業比重只有9個省市區的比重略有上升，其餘22個省市區呈下降趨勢。
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