重力覆蓋 的英文怎麼說

中文拼音 [zhòng]
重力覆蓋 英文
gravity cover
  • : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  • : 動詞1. [書面語] (蓋住) cover 2. [書面語] (底朝上翻過來; 歪倒) overturn; upset 3. 同 「復」 (Ⅱ1. 2. )
  • : 蓋名詞(姓氏) a surname
  • 重力 : [力學] gravity; force of gravity; gravity force; power of gravity; pull of gravity; gravitational...
  • 覆蓋 : 1 (遮蓋) cover; overlap 2 (植被) plant cover; vegetation3 (保護層 覆蓋物) cover; covering; ...
  1. They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem

    本研究以慶市的南川金佛山(自然保護區) 、黔江武陵山(國家點退耕還林示範縣,森林率50以上)和北碚中梁山(遭人為破壞嚴)典型巖溶區為對象,選擇了幾種要的利用方式,包括林地、果園、耕地、棄耕地和灌草坡,採用野外巖溶生態調查和室內試驗測量分析相結合的方法,以不同土地利用方式巖溶土壤肥點,對不同土地利用方式土壤肥特徵進行量化分析,找出巖溶土壤肥差異的主要方面及其根本原因,論文主要從土壤剖面物理退化指標(有效土層厚度、有機質層厚度、質地、團聚體、水分含量等) ,化學肥退化指標(有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等) ,樣地土壤微生物指標(細菌、真菌、放線菌數量及總量)以及樣地土壤種子庫植物群落多樣性等4個方面對慶典型巖溶區的土壤肥特徵進行了較為詳細的分析研究,為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。
  2. Over ages, hot convection currents in this sea, as well as gravitational forces, move the plates and their superimposed continents and ocean basins, tearing them apart and rearranging them like pieces of a giant jigsaw puzzle

    隨著歲月流逝,海中熱對流及移動板塊及在上面的大陸塊和海洋盆地,將它們撕裂再新組合,如大拼圖游戲的碎片。
  3. This paper referred to the massive domestic and foreign technical material, elaborated in the sheet forming value simulation theory essential technology in detail, points out when analysis sheet forming question should use the big distortion ball plasticity fem and introduce the application characteristic and the function summarizes of the sheet forming simulation software dynaform. secondly, analyzed the cover forming characteristic, simultaneously introduced the influence cover forming factor in detail : such as ramming direction, the craft addendum surface and the material pressing surface, the radius of convex - concave mold, draw bead, pressure strength, blank size and craft margin and so on. and simulates many typical automobiles cover panel with software : such lateral board, back taillight pedestal and storage cover

    其次,分析了件成形的特點和要求,同時詳細介紹了影響件成形的因素如沖壓方向、工藝補充面和壓料面、凸凹模圓角、拉延筋、壓邊、坯料尺寸和工藝切口等,並用數值模擬軟體對多個典型的汽車件汽車后側圍板、后燈座以及轎車后備箱的沖壓成形情況進行模擬,用模擬結果優化拉延工藝方案,比較了內件和外件在成形特點和要求的一些異同點,以及常見的起皺、拉裂和回彈、成形不足等缺陷的產生機理和相應對策,點介紹工藝補充面和壓料面的設計及優化方法,因為拉延是沖壓工藝的關鍵工序,而工藝補充面和壓料面的設計是拉延工序的關鍵,對消除缺陷至關要。
  4. According to mechanics theory the formulary of flexural rigidity, axial rigidity, shearing rigidity are deduced. the framework membrane structures are widely used present. the nonlinear finite element method is used in this dissertation, after form - finding the shape are overlapped the framework structure, the shape and the framework structure make up integrality structure, the nonlinear finite element method is employed, due to deadweight and wind load and snow load and self - stressing the response of the framework membrane structures are analyzed, and computation results of integrality model and dividing model have been compared

    骨架式膜結構是目前應用最廣泛的的膜結構,本文運用非線性有限元理論,將找形后的膜面在骨架結構上,膜面與鋼結構組成整體,採用非線性有限元方法對骨架式膜結構在自和自應、風荷載、雪荷載等共同作用下的反應進行了分析,對膜結構和骨架結構分開計算和整體計算模型進行了比較。
  5. The 350m trunked communication system plays a significant role in daily dispatch - command in the police department. it is simple but reliable, and widely used. its calling connect is fast, continued and in high calling quality

    350m集群通信系統因為其簡單可靠,呼叫接續迅速,范圍較大,通話效果良好,單呼、組呼、 pabx呼叫、調度呼叫等業務功能全,在公安機關的日常指揮調度工作中發揮了巨大的作用,有效的提高了公安幹警的戰鬥,成為科技強警的要組成部分。
  6. In light of current using situation and drawing on the experience of many scholars researched methods and viewpoints, this thesis made com land, fallow land, orchard, grass land as experimental field in black soil region jlau, which carried out experiment by applying different amounts of n and p fertilization in corn field. by means of collecting the samples of rainfall runoff, erosion silt and surface layer soil before and after rainfall for one year nature precipitation in field, we study the effect of surface runoff on n and p nutrient and fertility degeneration. the results showed : ( l ) there are lots of factors which affect soil erosion and losses of n and p, in which rainfall and rainfall intensity were more important, while rainfall intensity is the most important meteorological phenomena factor

    針對當前黑土利用現狀,本文借鑒眾多學者的研究方法和觀點,在吉林農大黑土區選擇利用方式不同的玉米地、休閑地、果園、草地,在玉米區進行了不同數量的施肥,通過野外試驗,採集一年自然降雨產流及泥沙樣品,同時採集降雨前後的耕層土壤樣品,研究了黑土區地表徑流對氮磷養分特徵及肥退化的影響,結果表明:土壤侵蝕和氮磷的流失受諸多因素的影響,降雨量、降雨強度是要因子,而降雨強度是影響農田地表徑流養分流失的最要的氣象因子,特別是暴雨,暴雨徑流中氮磷濃度較平時高得多;隨作物生長,度逐漸增加以及不同利用方式下表現的度差異,氮磷流失都表現為顯著的差異。
  7. Currently, study on global change and terrestrial ecosystem ( gcte ) and land - use and cover change ( lucc ) become the core item and the important direction, and become the most complicated and vitally research contents in global change research

    當前, 「全球氣候變化與陸地生態系統」 ( gcte )和「土地利用/土地變化( lucc ) 」成為全球變化研究的核心項目和要方向,並成為全球變化中最復雜、最具活的研究內容。
  8. We are constantly comming ourselves to research and develop new products from established our products cover all types of storage equipments and the relevant equipment ( pallet, care, steel container, rollor conveyeer )

    公司自建立以來一直致於物流設備的生產、研發,產品輕型、中型貨架、流利式貨架、型橫梁式貨架、駛入式貨架、后推式貨架、閣樓式貨架及周邊設備(物流容器、托盤、推車、料箱、輸送輥道等) 。
  9. The result indicated that straw mulching could increase soil porosity by 2. 88 % - 5. 76 %, reduce soil bulk density by 1. 86 % - 3. 73 % and the content of soil water with straw mulching was higher than that with no straw mulching treatment ( ck1 ) at different growth stage, improve water - stable aggregate ; and increase soil organic matter, available n, available p, available k, improve soil perviousness and soil retention of water and fertilizer

    研究結果表明,與對照ck1 ,相比,秸稈可使土壤總孔隙度增加2 . 88 % ~ 5 . 76 % ,土壤容降低1 . 86 % ~ 3 . 73 % ,並且各生育期處理的土城含水量均比對照高,並且秸稈還田對促進土壤團粒結構形成具有較大作用,改善了土坡通透性和保水保肥性;同時秸稈還田使土壤有機質、全氮、速效氮、速效磷、速效鉀得到明顯提高,從而培肥地
  10. We energetically advocate straw mantle to lily flower in living through the winter in east of gansu, because straw mantle protect the environment, keep moisture, and effectively adjust growth course of lily flower, make the output form period avoid the furthest serious spring arid, increase the water and fertilizer utilize efficiency, increase production observably

    隴東塬區黃花菜越冬田間應大提倡秸稈,由於秸稈既環保,又保墑,而且能有效調節黃花菜發育進程,使產量形成期避開隴東春早最嚴時期,提高水、肥利用率,增產顯著。
  11. The long - range objection of china telecom is to strengthen network configuration, optimize network structure, upgrade service quality, lower overall network cost and promote integrated communication ability in order to build a top - grade network that will be in advanced technology, large covering area, huge capacity, high transmission rate, safety, multi - capability, easy manipulation, which is also adaptable to provide new services

    中國電信的網路發展的長期目標是:以完善網路布局、優化網路結構、提高網路質量、降低網路綜合運營成本和提高綜合通信能點,去構建技術先進、廣、容量大、速率高、安全可靠、功能齊全、易於管理、適應各種新業務發展需要的電信優質網路。
  12. On the foundation of further investigation of luc and human driving forces in different economic zones of chongqing, we can draw the following conclusions : ( 1 ) luc tend towards being optimized in beibei and wanzhou, the urban scale expanding, the land used for water conservancy projects and traffic increasing, unused land reducing, the coverage rate of forest improving to some extent

    在對慶不同經濟區土地利用變化及其人類驅動深入研究的基礎上,從本研究可以得出如下研究結論: ( 1 )北碚區和萬州區的土地利用變化的方向是趨于優化,城鎮規模擴大,水利設施和交通用地增多,未利用土地減少,森林率有所提高。
  13. The choice dam type is especial importance, during the designed research of the rock - fill dam, particular under the rock - fill dam with very deeply cover layer, the stress and strain of the middle wall and cutting interpenetration wall of the dam foundation is mostly sensitive, whether the. design of dam is scientific and reasonable, it is very important for cutting interpenetration and stability of the dam, the article offer the reference for the design of cutting interpenetration in the foundation with deep cover with earth the water conservancy in xiaban zone, based on the study and analysis the design of cutting seep in the foundation with deep cover with earth, cutting interpenetration concrete wall and the joining model of cutting interpenetration material in body of dam and the applying effect in the practical worko based on the foundation which absorbed and summarize the achievement of design and research in the inter and outer country, for the project of the clay vertical middle wall and vertical cutting interpenetration, the asphalt concrete vertical middle wall and vertical cutting interpenetration the clay inclined middle wall and the lever carpet layer cutting interpenetration, respectively in terms of the different stage of complete period sluice period and working condition, adopting nonlinear calculate and analysis with the finite element method ; carrying the analysis and study with the 3d finite element method as to the different joining model of the left bank high slope cutting interpenetration body and the foundation concert cutting interpenetration wall ; carrying the analysis and study with the 3d finite element method as to the effect of the wall stress and strain because of the different elasticity modulus of the concert cutting interpenetration wall through the analysis and study with the different project. have comparatively all - around comprehended the various model dam, particular the distribute rule of stress and strain of the cutting interpenetration system, provide for the important evidence of the plastic area size the join model of the foundation cutting interpenetrate wall and dam body cutting interpenetrate system the choice of the dam model and the design of the structure of the dam body, the result of research and advice have very importance value in design and building for the similarity project

    工程設計中,壩型的選取顯得尤為要,特別對于壩基有深厚層的堆石壩,心墻和壩基防滲墻的應和變形是壩體、壩基最敏感的部位,設計方案是否安全、科學和合理,對大壩防滲和穩定起到至觀要的作用。本文研究分析了國內外深厚層基礎防滲設計、壩基混凝土防滲墻與壩體防滲體銜接形式及工程實際應用效果,為下坂地水利樞紐工程深厚層基礎防滲設計的方案選擇提供了參考;在吸收和歸納了國內外堆石壩的設計研究成果的基礎上,對粘土心墻和壩基垂直防滲方案、瀝青混凝土心墻和壩基垂直防滲方案以及粘土斜心墻和壩基水平鋪防滲方案,分別按竣工期和蓄水運行期的不同工作情況進行了有限元非線性計算分析;對左岸高陡邊坡的大壩防滲體與基礎混凝土防滲墻的不同結合型式進行了三維有限元靜計算分析和研究;對混凝土防滲墻不同彈性模量對墻體應和變位的影響進行了三維有限元靜計算分析和研究。通過對不同方案的計算分析和研究,比較全面的了解了各方案壩體,尤其是防滲體的應和變形分佈規律,為壩型選擇、壩體結構設計、基礎防滲墻與壩體防滲體的結合型式以及塑性區大小的確定提供了要依據。
  14. For ever, by banning a common but highly destructive fishing method bottom trawling, and creating marine sanctuaries encompassing important spawning and nursery grounds

    透過禁止一種在本港常見,但破壞驚人的捕魚方式底拖網捕魚,以及辟立範圍要的魚類產卵和育苗場的海岸保護區,保護
  15. The bank diversified both its business and its geographical spread through acquisitions and alliances. however, it remained committed to its historical markets and played an important part in the reconstruction of hong kong where its branch network continued to expand

    該行透過收購業務及締結聯盟,擴大市場面,但仍然致發展傳統市場,並繼續擴展在香港的分行網,為建香港而努
  16. Instead of merely estimating the area of forest in each part of the world ( the traditional way of measuring forest cover ), they took into account the volume of timber, the weight of the organic matter and the density of trees to calculate what they dubbed the “ forest identity ”, a measure of the carbon - capturing capacity of forests

    他們並不是僅僅估計一下世界各地的森林面積(測量森林的傳統手段) ,相反,他們計算木材蓄積量、有機質的量以及森林的密度以便計算被他們稱為「森林恆等式」的指標,該指標用以測度森林固碳的能
  17. But on the later condition the trend of accumulation turned to be stable in the w3 treatment ( vseawater / v pure water = 1 ) - in root zone soil, variation of sar value accorded with total salt accumulations and sometimes decreased at the treatment where the v seawater / v pure water > 1. contents of cl - and na + which were the main ions and leached obviously in 0 - 60cm soil were greatly influenced by rainfall, but the rainfall did not affected the contents of ca2 +, mg2 + and k + whose ability of leaching is worse than that of cl - and na + in the root zone soil obviously. the vertical distribution of salt ions in the 0 - 60cm soil were mainly affected by the ratio of v seawater / v pure water in the irrigation water on the condition of not enough rainfall, but on the cont

    海水灌溉下,耕層土壤中鹽分含量受降雨量影響很大,足夠的降雨條件下,鹽分不會積累,降雨量較低時,鹽分積累明顯,但在50海水處理下趨于平衡狀態;耕層土壤sar值的變化情況和鹽分含量變化情況相一致,在灌溉水中海水濃度大於50時有所下降;土壤中主要鹽離子為cl ~ -和na ~ + , 0 - 60cm土層內, na ~ + 、 cl ~ -明顯的向土壤底層遷移,其在土壤中的含量受降雨影響顯著,而ca ~ ( 2 + ) 、 mg ~ ( 2 + )和k ~ +在土壤中遷移能較低,其含量受降雨影響較小; 0 - 60cm層次土壤鹽分的縱向分佈在降雨量較低的條件下主要受灌溉水中海水濃度的影響,而在降雨充分的條件下,地面程度成為要的影響鹽分和水分脅迫下菊芋的生理響應及其海水灌溉研究因子之一。
  18. There is a strong relationship between the vegetation cover and stability of oasis ecosystem which is the key location of mankind production and existence in arid and semi - arid land. the change of vegetation cover in arid and semi - arid has very important influence on the oasis eco - system, as it is very sensitive to the environment changes to oasis direction or to desert direction that the fluctuating index of vegetation cover. the vegetation cover rate change great effect on realizing the characteristic

    植被度對于乾旱區人類生存和生產核心場所的綠洲穩定有著直接的關系,在乾旱區度的變化對本已脆弱的綠洲生態系統有著要的影響,是向綠洲化還是向荒漠化的方向發展,十分敏感於綠洲植被度的指數,了解各類植被度的特徵及演化規律,對認識乾旱區生態環境的現狀及發展趨勢,辨識引起環境變化的驅動,有著要的意義。
  19. A polarimetric sar combines both advantage of measuring full complex scattering matrix for each resolution cell in a scene and producing two - dimensional high resolution images, and is thus playing a more and more important role in gathering the detailed information regarding the geometric and electric structures of surfaces and covers for application in both civil and military areas

    極化合成孔徑雷達( sar )具有可以測量場景中每個分辨單元的全極化散射矩陣以及產生二維高分辨圖像的兩大優點,因此無論在民用和軍用的採集地表或地面物的物理和電磁結構信息的應用中起著越來越要的作用。
  20. Dr leung anita fung yee maria, ceo of qin jia yuan, noted : " the new silk road model look international is a major world event. capitalizing on our longstanding working relationships with broadcasting networks in major mainland cities, we are able to raise the profile of the event while introducing high - quality content to the tv media in china. it is also a prime opportunity for advertisers seeking premium exposure in the country

    勤緣集團執行董事兼行政總裁梁鳳儀博士稱:新絲路世界模特大賽是國際盛事,集團與內地點城市的電視網路建有長期的合作伴關系,會利用此媒體網路,將大賽向全國電視觀眾放送,不但大大增加了大賽的知名度,為全國的主要電視臺引進高質素節目,同時亦為廣告商戶提供影響全國的推廣商機。
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