林分表 的英文怎麼說

中文拼音 [līnfēnbiǎo]
林分表 英文
stand table
  • 林 : 名詞1 （成片的樹木或竹子） forest; woods; grove 2 （聚集在一起的同類的人或事物） circles; group 3...
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  • 表 : Ⅰ名詞1 （外面;外表） outside; surface; external 2 （中表親戚） the relationship between the child...
  1. In most cases, extracting oil involves chopping down the forest that blankets the region, draining the boggy ground, stripping off the topsoil and literally digging up the oily sand below

    在大多數情況下，要從油沙中提煉出石油需要先把覆蓋該地區的森林砍掉，排乾地面的水分，去掉表層土然後當然就是把地下的油沙挖出來。
  2. It is a very complicated problem to estimate evapotranspiration ( et ) over a large area natural surface. based on the information of satellite remote sensing and geography, the natural surface is divided into 6 categories : water, bare soil, dense grass, partly grass covered, forest, bosk

    利用遙感資料求取ndvi ，依據ndvi和地理信息資料，將地表分成6類：水體、裸地區、草地?裸地區（有草覆蓋但未完全覆蓋） 、草地完全覆蓋區、樹林區、灌木叢區。
  3. The results showed that plant height, crown breadth, leaf number, leaf breadth and sporophyll number of dryopteris crassirhizoma populations were influenced by forest crown density and light condition

    結果表明：林分郁閉度和光照條件顯著影響粗莖鱗毛蕨種群的株高、冠幅、葉片數量、葉片寬度、孢子葉數等形態指標。
  4. The variable parameter taper equation was built with diameter determination datas of different parts of cryptomeria fortunei plantation sample wood, in combination with the relative tree height curve mode and other assistant equations, volume table of c. fortunei plantation standing was compiled, and provided the scientific basis for the production and application

    摘要利用柳杉人工林樣木各部位直徑測定數據，建立可變參數削度方程，配合威布爾分佈函數、相對樹高曲線模型及其他輔助方程，編制了柳杉人工林林分出材率表，為生產應用提供科學依據。
  5. The analyzable conclusions of the regression model between crown diameter and age show that the utility of unit step function model in the crown growth process with the changing point is better than the usual regression methods, and the unit step function model can solve discontinuance on the changing point

    對樹冠與林齡的回歸分析結果表明：階躍函數模型在具有變點的桉樹林分樹冠生長過程中的應用效果優於一般回歸擬合模型，可較好地解決分段擬合模型在變點上的不連續問題。
  6. The results show that the water consumption of transpiration can be reckoned through standard specific conductivity of standard tree and the relative model between breast height diameter of tree and sapwood area

    結果表明，通過標準木的標準比導率和樹木胸徑和邊材面積的相關模型，可以比較準確地推算出林分的蒸騰耗水量。
  7. Mongolica young stand, secondary natural forest, and the mixed forest of larix olgensis and fraxinus mandshurica rupr. countermeasures for controlling soil degradation were also recommended. the study got following results : ( 1 ) from young stand to mid - age of larix olgensis, with the closure of canopy and the decrease of undergrowth vegetation cover, soil acidity, enzyme activity, total inorganic phosphorus, available k, soil moisture and total porosity decreased significantly ; while soil organic matter content, humus component content, the amount of three main types of microbes, acid phosphatase activity, and bulk density in rhizosphere soil and non - rhizosphere soil increased with the increase of the amount of forest floor litter ; from mid - age stand to near mature stand, with the decrease of stand density and crown cover as well as the restoration of undergrowth vegetation after preliminary thinning, soil organic matter content, fulvic acid, exchangeable acidity, exchangeable aluminium, neutral phosphatase activity, total amount of inorganic phosphorus, the amount of actinomycetes, soil moisture, and total porosity in rhizosphere soil and non - rhizosphere soil apparently increased ; from near matu re stand to mature stand, soil activity acidity, organic matter content, humus component content, available phosphorus, total amount of amino acid, available k, soil enzyme activity, soil moisture, and total porosity in rhizosphere soil and non - rhizosphere soil decreased, but total phosphorus, soil acidity ( in particular, exchangeable aluminium ), and bulk density increased

    結果表明： （ 1 ）從落葉松幼齡林到中齡林，隨著林冠的郁閉和林下植被蓋度的急劇下降，林地土壤酸度、土壤酶活性、無機磷總量、速效鉀、土壤水分含量、總孔隙度呈明顯下降趨勢，而根際和非根際土壤有機質含量、腐殖質各組分含量、三大類微生物數量、酸性磷酸酶活性和土壤容重隨著凋落物的增加呈明顯上升趨勢；從中齡林到近熟林，由於撫育間伐，林分密度及郁閉度下降，林下植被蓋度逐步得到恢復，根際與非根際土壤有機質含量、富里酸、交換性酸、交換性鋁、中性磷酸酶、無機磷總量、放線菌數量、土壤水分含量、總孔隙度呈明顯的上升趨勢；從近熟林到成熟林，隨著林齡的增大，根際與非根際土壤活性酸、有機質含量、腐殖質各組分含量、有效磷含量、氨基酸總量、速效鉀、土壤酶的活性、土壤水分含量和總孔隙度呈下降趨勢，而根際與非根際土壤全磷含量、土壤酸度（特別是交換性鋁）和容重呈增加趨勢。
  8. So it is chiefly that soil co2 concentration and its influencing factors should be studied in ordered to learn the mechanism of epikarst ecosystem and global carbon cycle. karst dynamics laboratory, ministry of land and resources, has been studied the mechanism of seven typical epikarst ecosystem and global changes through igcp 299 ( geology, climate, hydrology and karst formation, 1990 - 1994 ) and igcp 379 ( karst processes and the carbon cycle, 1995 - 1999 ) to igcp 448 ( world correlation of karst ecosystem, 2000 - 2004 ), while observation and analysis and research of epikarst ecosystem in mt. jinfo have just been beginning. the thesis analyzes that based - on observational point of green pond and deep dell in the west slope of jinfo mountain, co2 concentration and regularity of epikarst ecosystem contrasting woodland with uncovered land have been studied through the observation of temperature and humidity and co2 concentration

    國土資源部巖溶動力學開放研究實驗室以igcp229 、 igcp379和igcp448項目為依託，開展了我國7個典型的表層帶巖溶生態系統運行規律及其全球變化影響研究，而其中金佛山的觀測、分析與研究則才剛剛起步，本文以金佛山西坡摘公碧潭幽谷為觀測點，主要通過coz濃度、溫度和濕度的觀測，開展林地表層帶巖溶生態系統與裸地表層帶巖溶生態系統coz濃度特徵及其變化規律的對比研究，這對進一步深入研究巖溶生態系統運行機制和全球碳循環以及開展全球巖溶生態對比有著重要意義。
  9. The paper studies on two different vegetation type areas in jingyun mountain in chongqing city, which are broadleaved forests ( gordinya svchuanensvs ) and bamboo ( phyllostachys edulis ) forests. by contrasting the surface runoff and underground runoff in these two areas, the results showed that, with the same precipitation, the gross amount of runoff in bamboo forests was larger than that in broadleaved forests and the runoff in bamboo forests appeared before that in broadleaved forests. the amount of underground runoff was larger than that of surface runoff in the two areas, the process of surface runoff was in accordance with that of underground runoff

    該文以重慶市縉雲山的兩個不同植被類型常綠闊葉林（四川大頭茶）和楠竹林小區為研究對象，對小區中典型降雨後的地表徑流、地下徑流的實測資料進行對比分析.結果發現在相同降雨條件下，楠竹林的地表徑流量與地下徑流量明顯要比常綠闊葉林的大，楠竹林地表徑流和地下徑流出現的時間也比常綠闊葉林早;兩種植被的地表徑流與地下徑流過程具有一定的相似性，地下徑流量都比地表徑流量大
  10. Through the stand investigation by setting up the sample site, the investigation results showed that the average dbh of 15 - year - old alniqhtllm fortunei planted under nature was 60 % larger than that of 17 - year - old pinus massoniana plantation under the same condition, the average tree height of the above was 38 % larger than that of the latter, the average single - tree volume of the above was 3. 2 times higher than that of the latter, the above showed the absolute dominance in stands

    摘要設立標準地進行林分調查，在標準地中選取擬赤楊標準木進行樹干解析，採用生長對比方式分析擬赤楊在馬尾松人工林中的生長情況，調查結果表明，在同一環境條件下， 15年生天然下種的擬赤楊比17年生馬尾松人工林平均胸徑大60 % ，平均樹高高38 % ，平均單株材積大3 . 2倍，在林分中表現出絕對優勢。
  11. The results showed : the relationships among cover of herbaceous layer, cover of liver moss layer, thickness of liver moss layer, thickness of root system twine layer and the distance between seedlings and adjacent tree were positive correlation ; the relation between litter and tile above five variables were negative correlation ; the variables of micro - habitat affecting seedling in the picea schrenkiana stand were generalized with moss, herbaceous, spatial distance, humus and litter ; litter and spatial distance between seedlings and adjacent tree were the most primary factors of micro habitat affecting regeneration of one year seedling

    結果表明：天山雲杉林分中草本層蓋度、苔鮮層蓋度、苔鮮層厚度、根系盤結層厚度、幼苗距大樹的距離5個環境變量之間為正相關；枯落物與草本層蓋度、苔蘚層蓋度、苔蘚層厚度、根系盤結層厚度、幼苗距大樹的距離為負相關；天山雲杉林微生境綜合因子可概括為「苔蘚」 、 「草本」 、 「空間距離」 、 「腐殖質」和「枯落物」 ；影響一年生幼苗更新最主要的微環境綜合因子為「枯落物」和幼苗距大樹的「空間距離」 。
  12. The results showed that stem volume ( v ) and wood basic density ( bd ) were the most important traits in selection breeding for pulpwood of masson pine and, stand and individul selections shoud be based on the provenance selection

    結果表明，馬尾松制漿造紙材的良種選育應以材積和木材基本密度作為主要指標，首先進行種源的選擇，在此基礎上進行林分和個體的選擇。
  13. The results showed that : the soil structure of forest was better than grassland, and the mixed forest was superior to the pure forest

    結果表明：各種林分的土壤結構明顯好於荒草地，不同林分類型中混交林分明顯優于單純林。
  14. It was showed that the drought resistance among three trees were different, p. orientalis was strongest, then wes p. tabulaeformis, the thi rd was r. pseudoacacia

    試驗表明，各樹種忍耐長期乾旱的能力不同，側柏最強，油松次之，刺槐最差，表明了各樹種林分抗旱穩定性的不同。
  15. It was showed that forest with good structure could improve the soil noncapillary porosity and water conversation function, and it was implied that forest with rational structure stored rainfall and surface runoff quickly

    表明具有良好結構的林分，可有效改善土壤非毛管孔隙度和滯留貯水功能，從而有效地提高對降雨的快速貯存以及蓄洪與涵養水源作用。
  16. The results showed that there were differences in water - holding capacity among different forming structure

    研究結果表明，林分組成結構的不同導致了其持水功能的差異。
  17. The gardens in the south of the yangtze ( which is called jiangnan gardens ) of the period of ming and qing dynasty represent the tallest level of the ancient scenery gardens in our country and occupy very important status in classical garden history of our country and even the world. and, in jiangnan gardens, the exquisite and suitable garden building decoration is an indispensable quintessence part of forming its whole style

    明、清時期的江南園林，代表著我國古代風景式園林營造的最高水平，在我國乃至世界的古典園林史上都占據著十分重要的地位;而在江南園林中，精美合宜的園林建築裝修是形成其整體風格的一個不可或缺的精華部分。
  18. Lbie, based on the local boundary equation, adopts the traditional moving least squares ( mls ) approximation which depends on only the values of the nodes in the domain of the problem or along its boundary. the whole process of integration is carried on over a local domain or its local boundary centered at the node in question. the local boundary equation can be rewritten to represent the values of the unknown function at the point of interest, and the essential boundary conditions can be directly and easily enforced by using the green formula and the characters of the dirac function

    它以局部邊界積分方程為基礎，採用移動最小二乘近似函數，從而只需要分佈在問題域內及其邊界上的節點的信息值，無需劃分單元；整個積分是在以節點為中心的局部域及其邊界上實現，所以不需要背景積分網格；藉助于格林公式及dirac函數的性質，將局部邊界積分方程轉化為所考慮點的未知函數的邊界積分表達式，便於直接施加本質邊界條件。
  19. Abstract : closing hillsides to facilitate afforestation for 10 years in qingyuan indicated that closing hillsides to facilitate afforestation not only played a positive role in consolidating achievement of wild hill afforestation improving structure of standing forest and increasing forest covergag, but also was fundamental approach to building fairly perfect forestry ecological system

    文摘:慶元縣近10年封山育林工作表明：封山育林不僅在鞏固荒山綠化成果，改善林分結構，提高森林覆蓋率等方面起著積極的作用，更是建設比較完善林業生態體系的根本途徑。
  20. A good forest structure could improve the even degree and range of distribution obviously, and improve the porosity ; the fractal dimension ( fd ) and mean weight diameter ( mwd ) could sign the soil structure feature objectively

    良好的林分結構能明顯提高土壤粒徑的分佈均勻程度與范圍，改善土壤孔隙狀況；分形維數和重量平均直徑能比較客觀地表徵土壤結構特徵，是較為理想的土壤結構測定指標。
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