速生種 的英文怎麼說

中文拼音 [sùshēngzhǒng]
速生種 英文
fast growing species
  • 速 : Ⅰ形容詞（迅速; 快） fast; rapid; quick; speedy Ⅱ名詞1 （速度） speed; velocity 2 （姓氏） a surna...
  • 生 : Ⅰ動詞1 （生育; 生殖） give birth to; bear 2 （出生） be born 3 （生長） grow 4 （生存; 活） live;...
  • 種 : 種名詞（姓氏） a surname
  1. Perfect pre - processing and post - processing function is one of the main factors to evaluate the vitality and market value of the finite element analysis system surveying today development of finite element analysis technology, most of which concentrate on establishing fine user interface, also has some limitation on application, and especially, the research on the visualization of arbitrary cut - plane is always in ascendants to realize the visual processing on cut - plane needs reprocessing the results of finite element analysis which have get, so the algorithm is two parts : seeking the physical value of cut - plane and drawing 2d contours, the former, based on the theory of stress on " arbitrary inclined plane " in physical mechanics, use the method of linear interpolation method to get the coordination and physical value of intersection between cut - plane and element arris ; the latter, based on the tables on elements, nodes, stress and strain, summarize a rapid algorithm of generating 2d contours based on the grid. this thesis synthesizes there two parts and get a visual processing program under fortran

    縱觀有限元分析技術的發展，目前大多集中在建立良好的用戶界面上的研究仍存在許多應用上的局限性，其中對任意剖面上可視化的研究仍處于方興未艾的階段。要實現任意剖面上可視化處理，必須先將得到的有限元計算結果進行再處理，因此在演算法上分為兩部分：求任意剖面上物理量值的演算法及二維等值線演算法。前一部分以彈性力學中「任意斜截面的應力」為理論基礎，利用線性插值方法得到截面與單元棱邊的交點坐標及交點物理量值；在此基礎上；根據已得到的單元及節點序號表、應力應變物理量表，總結出一種基於有限元剖分網格的快速生成二維等值線的演算法。
  2. The sound of the rumble and crash of falling walls and ceilings ; the roar and hiss of the flames, and the excited shouts of the crowd ; the sight of the hovering clouds of smokehere folding over into black masses, there drawing out and lighted up by gleaming sparks ; and the flameshere like a thick red sheaf, and there creeping like golden fish - scales over the walls ; the sense of the heat and smoke and rapidity of movement, all produced on pierre the usual stimulating effect of a conflagration

    墻壁和天花板的斷裂聲訇然倒塌聲火焰的呼嘯和畢剝聲人們的狂叫吶喊，時而動蕩不完的煙雲時而騰空升起，夾雜著明亮的火星，雖煙滾滾閃出道道火光，此處是禾捆狀的通紅的火柱，彼處是沿著墻蔓延的魚鱗狀的金色火焰這一切景象，合著熱浪和煙味的刺激，行動的迅速，這種種感覺在皮埃爾身上產生了面對火災常有的興奮作用。
  3. The first period of rapid growth is nearly equal in duration for all cultivars.

    第一次迅速生長期的長短對所有品種來說，幾乎是相同的。
  4. One of britain ' s best - known seabirds, the puffin, is being wiped out by invading fast - growing alien plant species because of global warming

    英國最為人所只的海鳥海雀，由於全球暖化，而被快速生長的外來入侵樹種所消滅。
  5. Trilobites were rapidly evolving forms and are of widespread use in biostratigraphic studies.

    三葉蟲是進化迅速的種型，並廣泛用在生物地層學的研究上。
  6. The effect of compound casting technology and compound modification on the properties of high speed steel roll collar was studied. the results showed that compound high speed steel roll collar with high and even hardness and good bond between outer and inner layers could be gained when the modified colbalt free high speed steel in outer layer and nodular iron inner layer in connection with appropriate rotational speed of centrifugal machine, pertinent pouring interval between two kinds of the melt and moderate pouring temperature as well as surface induction heat treatment were chosen. it is indicated in industrial use that the service life of compound roll collar is higher by 5 times than that of high chromium cast iron collar

    研究了離心復合鑄造工藝和復合變質處理對高速鋼輥環性能的影響，結果表明，選用變質高碳無鈷高速鋼作外層，用球鐵作內層，選擇合適的離心機轉速、兩種金屬熔液澆注間隔時間和澆注溫度，結合採用表面感應熱處理工藝，可獲得硬度高、均勻性好、內外層結合良好的高速鋼復合輥環，用於工業生產其使用壽命比高鉻鑄鐵輥環提高5倍以上。
  7. Nevertheless, the results provided by these methods are all inaccurate. in this thesis, in order to overcome the drawbacks, we reconstruct the bose - hubbard model hamiltonian with differential realization of bosonic operators, and investigate the exact numerical solutions of the one dimension bose - hubbard model. firstly, energy matrices can be generated rapidly by using a mathematica package

    首先利用mathematica程序快速生成模型在各種位型下能量矩陣，然後將該程序的結果直接作為其它矩陣對角化程序的輸入而求出該模型在相應位型下的本徵值和相應的本徵波函數。
  8. The contrast experiment of twig propagation of fast - growing castanopsis fissa by four treatments in three different cutting medium indicated : the cutting medium has a significant effect on the survival rate, the interaction of the cutting treatment and the cutting medium has evident effect on the survival rate. castanopsis fissa twig which is cut and planted at once has the best survival rate in the cutting medium of garden soil mixed with sands. it reaches 87. 5, but in the garden soil, it reaches only 70, and in other mixture, it is below 20. therefore, had better be planted in the medium of garden soil mixed with sands, and be planed after cutting at once

    速生菇木樹種? ?黧蒴栲嫩枝經過3種插床基質和4種插條處理的扦插對比試驗，結果表明：插床基質對其扦插成活率有極顯著影響；插條處理及其插床基質的交互作用對扦插成活率存在顯著影響；黧蒴栲嫩枝扦插在園土十河砂混合基質上現剪現插最好，成活率可達87 . 5 ，在園土基質上現剪現插次之，成活率可達70 ；而其它組合成活率都不到20 ，黧蒴栲嫩枝扦插生產上應選用園土或園土+河砂作為插床基質，並要現剪現插。
  9. The cuttings of main poplar cultivars for fast growing and high yield plantation

    楊樹速生豐產用材林主要栽培品種苗木
  10. The field of taiyangmiao nuresry of trees and grass is an important ecology protecting area in inner monogolia. all of projects in the field, including the water and soil conservation trees, the windbreat of returning farmland to treeland and grassland, are playing a very important role in preventing and decreasing vegetation deterioration, land desertification and sandstorm weather

    星月太陽廟林木種苗培育基地和農業種植基地是內蒙古重要的生態功能保護區，基地內的水土保持林、防風固沙林、速生豐產林、退耕還林還草等林草工程，對防止植被退化、土地沙化、減緩沙塵天氣的發生起到不可忽視的作用。
  11. We can use fast - growing tree, bamboo, agricultural residue and wood products of no use as a substitute for nature forest

    可利用速生樹種、竹材、農作物剩餘物? ?秸稈和廢棄木製品替代天然林資源。
  12. And the production fluctuation caused by climate changes lead to local farmers to take some unwilling but practical measures such as harvesting a little with cultivating extensively, planting dispersedly and irrigating with wells, combining herbage meadows with woody ones, in the years when disaster happened increasing output of livestock which has become fully - grown and ready for slaughter and planting fast growing and early trees

    氣候波動引起巨大的農牧業生產波動，導致了農牧民的廣種薄收、分散種植、打井灌溉等行為，以及他們採取草本草場與木本草場結合、災年加大出欄率和栽植速生樹種、可平茬樹種等資源利用和避災措施。
  13. Advance on selection and application of fast growth tree species for bio - energy in high heat energy

    高熱值速生能源樹種選育及應用研究進展
  14. Above all, the system has some advantages such as high compute precision, high speed and suited for large structure analysis. during the process of the system researching, a new mesh approach based on advancing front technique for triangle elements was studied. a practical method of generating hexahedron mesh for cellular element method through transfering lines into volumes was worked out

    在軟體研製過程中，提出一種基於前沿生成法的速度快、穩定性好的平面元胞元網格自動生成方法和三維六面體網格的線段轉換法;根據元胞元模型的特點，提出一種穩健性較好的三維元胞元模型消隱方法;通過對應力圖生成技術的研究，提出一種對等值線、色帶圖、濃淡圖均適用的應力圖快速生成演算法。
  15. An introduction experiment of the narrow fast - growing clone of black locust in ningxia

    窄冠速生刺槐無性系引種試驗
  16. China is is actively encouraging tree planting, but fast - growing, single species forests threaten china ' s wildlife and biodiversity

    中國在大力鼓勵植樹造林，但速生豐產林和人工純林的發展對中國的野生物種和天然林生物多樣性造成了威脅。
  17. In order to speed up the agriculture structure adjustment, we shall adopt a policy if " science and technology promote forestry and husbandry. " we will absorb foreign investment in feed flavors, health care products made of ginkgo leaves, forestation of quick growing trees, forestry disease protection and reforestation if yuntai forestry, reform of low vield fruit orchards, hvbridization of goats, feed research for aquatic products, new medicine development for animals, feed additives development. this may improve the product quality and competition, and also speed up the development of diversified economy

    加快農業結構戰略性調整，大力實施科技興林、科技興牧戰略，我局擬對飼料風味劑的開發應用、銀杏葉保健晶系列開發、營林速生豐產林、雲臺山森林病蟲害防治暨更新造林、低產果園改造、波爾山羊雜交改良、水產飼料研製、新獸藥開發、新飼料添加劑研製開發等項目進行招商，以進一步提高多種經營產品品質和市場競爭力，加快多種；經營的發展。
  18. Applying restoration measures, such as introducing suitable native species, is perhaps necessary under some environment, especially where the natural ecosystem function was seriously damaged

    在生態系統結構功能嚴重受損，威脅到區域生態安全時，通過引入物種進行主動的植被恢復可以有效地加速生態系統恢復進程，維護區域生態安全。
  19. User can operate it and build needed scene and add fireproofing sign and scattered doors sign in the scene expediently and frequently by this way

    這種方式用戶操作簡便快捷，能快速生成所需要的場景，並且方便快捷地加入消防標記和疏散通道標記。
  20. I a study on the comparison between quantitative and semi - quantitative sampling methods for stream macro - invertebrate assemblages quantitative sampling method for stream macro - invertebrates is well used in stream ecological study, and semi - quantitative method is widely used in water quality bio - assessment. the results from comparisons of the number of species, individuals and values of metrics between the two methods were showed as follows : 1

    對定量采樣法和半定量采樣法在個體數、種類數和種類相似性及生物指數等方面關系的研究，為探討半定量采樣法的科學性和實用性，進一步完善水質快速生物評價采樣法（半定量采樣法）提供科學數據。
分享友人
分享到 Line

分享到臉書