長期產沙量 的英文怎麼說

中文拼音 [zhǎngqīchǎnshāliáng]
長期產沙量 英文
long term sediment yield
  • 長 : 長Ⅰ形容詞1 （年紀較大） older; elder; senior 2 （排行最大） eldest; oldest Ⅱ名詞（領導人） chief;...
  • 期 : 期名詞[書面語]1. （一周年） a full year; anniversary 2. （一整月） a full month
  • 產 : Ⅰ動詞1 （人或動物的幼體從母體中分離出來） give birth to; be delivered of; breed 2 （創造財富; 生...
  • 沙 : 沙動詞[方言] （搖動以清除雜物） shake
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 長期 : over a long period of time; long-term; long range; secular
  1. Gully erosion, which is universal on original lands, but also the special forms, for example, hole erosion gravel erosion debris slide and debris flow, which is unusual in loess area, ( 2 ) based on a long - term fixed point experiments in proving ground of the south stackpile, the soil erosion factors have been researched quantitatively, the runoff and erosion affected factors have been made sure and the experiential models of producing water and soil have been taken in newly - constructed stage, early stage and later stage of reclamation

    確定南排土場原地貌的水蝕模數為3700 4400t km ~ 2 ? a ；在排土場新造地貌上，擊濺、面蝕、細溝侵蝕、淺溝侵蝕、沉陷侵蝕、砂礫化面蝕、土砂瀉溜和坡面泥石流等水土流失形式出現頻率和發生程度都明顯強于原地貌。 （ 2 ）以南排土場徑流試驗場長期的定位觀測為基礎，對排土場未復墾時期、復墾初期、復墾後期的土壤水蝕影響因子進行定量研究，確定了徑流和土壤水蝕的主要影響因子及其臨界值，建立了產流產沙的經驗模型。
  2. But during long time, it is very difficult for the exploration and development of sandstone oil layers on the upper part of the fouth member of shahejie formation. it is mainly represented as it ca n ' t be got the optimum production test effect and ca n ' t keep long term rate - maintenance

    該區深層沙四上段砂巖油層的勘探開發一直存在較大的難度，集中體現于不能有效獲得最佳試采效果並長期穩產，產量有時在短短幾天內可由數十噸降至工業品級之下。
  3. Both absolute difference and relative difference among per capita gdps of 14 cities ( prefectures ) increased year by year since 1990 - the absolute difference increased linearly - - and this increased tendency would n ' t change in short period. by counting the discrete and ratio between per capita gdp of every city ( prefectures ) and that of the total province, the relative development speed of every region and the industrial structure of every region, i think that the characteristic of the spatial structure of regional economic difference in hunan is that the area along the beijing - guangzhou railway line in the east of hunan developed fast, while the vast area in the west of hunan developed slowly, so the regional difference increased constantly. on the difference background between the east and the west of hunan, there is the difference between central region and fringe region, for one thing it shows ring difference, namely chang - zhu - tan internal ring, surrounding chang - zhu - tan medium ring, the outermost external ring, the most underdeveloped counties lie on the fringe and mountain regions in the west, south and east of hunan, for another it displays that the peripheral regions of 13 prefectural cities are more developed than the other

    文章還建立了反映基礎設施水平、經濟發展水平、社會發展水平的23個主要指標構成的湖南省區域差異衡量指標體系，在此基礎上，藉助spss統計分析軟體，運用主成分分析法，對湖南省14個市州經濟發展綜合水平的差異狀況進行了研究，結果表明：長沙市的經濟發展綜合水平在14個市州中遙遙領先，反映了湖南省經濟發展空間結構的「單極主導」特徵；通過計算人均gdp的標準差和標準差系數，研究區域經濟差異的總體水平及區域經濟不平衡發展的演變趨勢，發現90年代以來湖南省各市州人均gdp的絕對差異和相對差異都在逐年擴大，其中絕對差異隨年份直線上升，且這種差異擴大的趨勢在短期內難以改變；通過計算各市州人均gdp與全省人均gdp的離差和比率、各市州發展速度的差異及產業結構的差異，認為湖南省區域經濟差異的空間特徵是：湘東京廣沿線地區基礎較好，發展較快，湘西地區發展緩慢，地區差異不斷擴大；通過以縣為對象的差異研究發現在湘東湘西差異的大背景上還有核心區與邊緣區的差異，它一方面表現為長株潭內層、圍繞長株潭的中層、更遠的外層的圈層差異特徵，最落後的縣分佈於湘西、湘南、湘
  4. The apbf can be characterized in eight aspects : policy - oriented operation, non - profitable target, specified domain, stability of economic resources, favorable charges, certainty of compensatory interest, complementary with commercial finance, specialty in regulation. under the guide of theoretical framework and with the comparison with foreign apbf institutions, we can explains the theoretical basis at large : ( l ) as a developing country, the saving level is low in rural area and capital for investment is scarce so that finances ca n ' t be allocated by market fully when the agriculture protect strategy is applied. the apbf institution supplys low - interest loan which is a selective credit supply method to avoid it ; ( 2 ) taking advantage of the function of the " adverse selection ", apbf can be developed to solve the problems such as scarcity of agriculture information, unsymmetrical information and scarcity of long - term capital

    總量方面，資金來源與其所承擔的任務所需資金之間存在著較大的缺口，也缺乏長期穩定的資金來源，資金來源渠道過于單一，籌資功能不健全，且在期限結構上存在突出矛盾；三是不良資產比例居高不下，危及農業政策性金融機構生存和發展的基礎，也潛伏著較大的金融風險；四是貸款業務范圍偏窄，功能發揮受限，嚴重缺乏用於農業基本建設、技術改造、林業、治沙以及農業科技改良等方面的中長期貸款，這與農業政策性金融增加農業投入、增強農業發展后勁、支持農村特別是貧困地區經濟發展的重任很不相稱；五是利益補償不足，弱化了農業政策性金融機構的自我積累能力；六是外部環境不佳。
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