自然尺度 的英文怎麼說

中文拼音 [ránchǐ]
自然尺度 英文
natural scale
  • : Ⅰ代詞(自己) self; oneself; one s own Ⅱ副詞(自然;當然) certainly; of course; naturally; willin...
  • : Ⅰ形容詞(對; 不錯) right; correct Ⅱ代詞(如此; 這樣; 那樣) so; like that Ⅲ連詞[書面語] (然而)...
  • : 尺名詞[音樂] (中國民族音樂音階上的一級 樂譜上用做記音符號 參看「工尺」) a note of the scale in ...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 自然 : 自然at ease; natural; free from affectation
  1. It is natural to invoke the properties of the aerosol in dividing up this tremendous size range.

    要把這很大的范圍進行分劃要借用粒子的性質。
  2. Here is the result, during yvo4 odd - crystal growing under cz method, while fusibility contain nature - convection by temp - grads and impose - convection by crystal - circumvolve, which make it difficult to growth large dimension odd - crystal

    數值模擬的結果表明,在cz法生長yvo _ 4單晶過程中,由於熔體中存在著因溫引起的對流和晶體旋轉引起的強迫對流,使生長大寸單晶有著一定的困難。
  3. The spatial condition and both the technical and economic feasibilities for the layout of the light - court for the auxiliary powerhouse under the condition of higher fluctuation of the flood level downstream is basically analyzed ; in which the principles of the layout and both the spatial dimension and configuration are discussed, and then a actual design case is given with the preliminary evaluation on the ventilating and lighting effect of the light - court

    初步分析了下游洪水位變幅較大等環境條件下,貫流式水電站副廠房設置通風採光天井的空間條件及其技術性和經濟性,討論了天井布置原則和空間與形態處理,給出設計實例並初步評價了天井通風採光的效果。
  4. Based on multi - scale wavelet transform, a multi - feature fusion approach for automatically detecting man - made objects in areas of natural background is proposed

    摘要針對紋理背景,提出一種基於多小波特徵融合的人造目標檢測方法。
  5. Finally, each category of the classification system is that : 1 ) the extent of human activities as the first class : natural wetland landscape, half natural wetland landscape and artificial wetland landscape ; 2 ) geomorphology as the second class : flood land, depression, valley and terrace ; 3 ) marsh wetland vegetation as the third class, which amalgamated with the way of indistinct assemble classification

    從而建立了一套完整的景觀生態制圖分類系統:第一級按人類活動影響程劃分為:濕地景觀、半濕地景觀、人工濕地景觀;第二級按地貌劃分為:河漫灘、階地、湖濱、窪地、谷地;第三級對沼澤濕地植被25種類型進行模糊聚類歸並,得出不同比例的地圖制圖景觀類型。
  6. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd : yag激光器的發展狀況、主要特性及其應用,從四能級速率方程出發,推導了ld泵浦nd : yag激光器的閾值、輸出功率和斜效率的表達式,並簡述了激光器的工作原理、結構型式和倍頻方法;其次,以空間相關的速率方程為基礎,提出了ld端面泵浦nd : yag激光器的設計方法,給出了一定泵浦耦合方式下,振蕩光模寸、最佳輸出耦合率、泵浦光模寸、泵浦光焦斑位置等參數的選取依據,以此為依據,設計了聚焦透鏡耦合小功率ld泵浦nd : yag激光器和透鏡組耦合高功率ld泵浦nd : yag激光器,對激光器的輸出功率和功率穩定性等特性進行了實驗研究;再次,在帶尾纖輸出的高功率ld泵浦nd : yag激光腔內插入一隻空液晶盒,觀察到了激光器以單縱模運轉;最後,根據泵浦光焦斑端面位置對激光輸出功率的影響規律,提出了ld端面泵浦nd : yag激光位移傳感新方法,並進行了理論和實驗研究,研究結果表明:當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時,激光輸出功率的指數與泵浦光焦斑的縱向位置成高斯變化規律,測量范圍和靈敏依賴于泵浦功率,隨著泵浦功率的增加,測量范圍擴大,靈敏提高,當端面泵浦功率為7 . 24w (最大輸出功率為1 . 926w )時,激光位移傳感器的測量范圍和靈敏分別是13 . 045mm和0 . 148mw / pm 。
  7. Because meiyu rainstorm happens quickly, predicts in short time and often causes disaster. so study on the mechanism of mesoscale rainstorm system has a great value

    由於梅雨暴雨突發性強、預報時效短,常造成重大災害,研究梅雨暴雨中系統的發生發展機理,具有重要的理論和實際意義。
  8. At the same time, we should study the coordination of the different systems, the scenery scale and situation in the interior architecture, and the open degree of the system

    同時,研究不同系統之間的協調性,景觀在建築空間中的格局和,以及系統的開放程,是基於生態的室內景觀設計的另一個方面。
  9. The fractal is a geometrical figure with self - similar symmetry, and it is an important tool for characterizing irregular structures in nature that are self - similar on certain length scales. for example, the koch curves can be viewed as a mathematical model for coastlines, percolation model can be used to mimic mixture of mental and insulator, self - avoiding walks can serve as a model for linear polymers, and rock fracture mode can stimulate the process of brittle fracture of rock, and so on

    分形是具有相似對稱性的幾何圖形,可用來模擬界中在一定范圍內具有相似對稱性的不規則結構,如koch曲線可用來模擬海岸線,滲流模型可模擬金屬絕緣體混合物,迴避無規行走模型可模擬線性聚合物,巖裂模型可模擬真實巖體的脆性破裂等。
  10. The actual reproduction and artificial restoration density were the biggest with the treatment of irrigation ? soil preparation + natural regeneration, and the average numerical value was 13. 04 clumpes / m ^ 2 ranging from 3 clumpes / m ^ 2 to 28 clumpes / m ^ 2. the others were as follows : 1. 66 clumpes / m ^ 2 occurred in the treatment of unirrigation + soil preparation + artificial regeneration, ranging from 1 clumpe / m ^ 2 to 20 clumpes / m ^ 2 1. 11 clumpes / m ^ 2 occurred in the treatment of unirrigation + soil preparation + natural regeneration, ranging from 0. 5 clumpe / m ^ 2 to 17 clumpes / m ^ 2 0. 25 5 clumpe / m ^ 2 occurred in the treatment of unirrigation + break ground + natural regeneration, ranging from 0. 1 clumpe / m ^ 2 to 3. 0 clumpes / m ^ 2, and 0. 012 clumpe / m ^ 2 occurred in the treatment without disturbance

    以更新密作為參數,其數值依次為:灌溉+整地十更新最大,平均為13 . 04叢/平方公,變化在3 28叢平方公之間;無灌溉+整地十人工種植恢復平均為1 . 66叢平方公,變化在1 20叢平方公之間;無灌溉十整地+更新恢復平均為1 . 11叢平方公,變化在0 . 5 17叢平方公之間;無灌溉+破土+更新平均為0 . 255叢平方公,變化在0 . 1 3 . 0叢平方公之間;無干擾更新平均為0 . 012叢平方公
  11. Behavior subject - oriented qualities and time scale issues of natural disaster risk

    災害風險的行為主體特性與時間問題
  12. Experimental result shows the algorithm has nearly the same edge preserving performance as nonlinear multiwavelet transform, and nearly the same speckle noise suppression performance as filtering

    此演算法對原圖像進行多小波變換,後在不同,不同方向進行適應閾值處理,模擬結果表明:本演算法能夠有效地抑制了斑點噪聲,又保留有用信號及邊緣信息。
  13. Coupling vegetation dynamics at multiple scales is essential to explore the mechanisms of water and sediment yield response to vegetation changes such as vegetation reestablishment, development, succession, distribution, and management practices - we reviewed literature on advances in studying the processes and mechanisms of the vegetation influence on runoff and sediment production in relations to vegetation growth, vegetation succession, vegetation patterns and distribution, as well as afforestation and deforestation

    由於植被身的生長發育以及受因素和人為干擾的作用,植被變化具有多性;由於受流域水文環境的異質性和水文通量的變化性的影響,流域水文過程也同樣具有多性。
  14. Distributed simulation study of multi - geographical process was carried out in the study area of lianshui basin, xingguo county, jiangxi province supported by rs and gis, using the simulation models system developed by usda. this project is funded by the national natural science fund titled " integration and systematization of mathematic models for soil and water resources study in a basin and its application "

    本文以國家科學基金項目「流域土壤和水資源模擬模型的集成和系統化及其應用」為依託,選擇美國農業部開發的流域的地理過程模擬模型,在遙感和gis技術的支持下,在江西興國縣的瀲水河流域進行了多種地理過程的分散式模擬研究。
  15. 423 persons answered the questionnaires and 139 out of them were identified as ecotourists. the result of classification is proved to be effective by prediction validity test, content validity test, theory validity test and convergence validity test. in addition, the ecotourists were classified as hard ecotourists, frequent ecotourists and occasional ecotourists farther according to the times they traveled to nature - based destinations every year and their new ecological paradigm grade which is used to evaluate the visitors attitude to environment. frequent ecotourists and occasional ecotourists both fall category of soft ecotourists, so the " hard - soft " classification system is founded, which will help propel ecotourist studies in china to develop towards the current international mainstream of the field

    以北京市百花山保護區為例,在總結國外相關研究經驗的基礎上,採用k階最近鄰knn和反向傳播bp前饋型多層神經網路所構成的綜合分類器對百花山遊客中的生態旅遊者進行識別,又根據「每年去相對原始的區域的旅遊次數」和環境態nep得分兩項指標將生態旅遊者進一步細分為嚴格的生態旅遊者經常的生態旅遊者和偶爾的生態旅遊者,其中經常的生態旅遊者和偶爾的生態旅遊者歸為一般的生態旅遊者,從而構建起嚴格的一般的生態旅遊者分類體系。
  16. Interactions among different levels lead to emergent properties

    屬性源不同單元間的相互影響。
  17. Then, a kind of wnn based on single - scaling multidimensional wavelet frames and its matching pursuit algorithm is introduced. it is applied to approximate the nonlinear terms with lipschitz property of nonlinear systems to establish the adaptive state observer. the robust fault detection is realized by the observer, demonstrating the predominant performance of the wnn

    後利用一種基於單小波框架的小波網路,逼近一類滿足lipschitz條件的非線性系統的非線性項,構造適應狀態觀測器,實現了系統的魯棒故障檢測,同時採用徑向基神經網路進行殘差處理,實現了故障預報。
  18. The landscape pattern is in the constant development and change, and today ' s pattern took shape based on the past landscape flows, including natural, social, economic and various kinds of ecological processes, therefore through analyzing the landscape pattern change at different time, we can reflect the landscape ecological processes, expound succession mechanism and rules in landscape, predict the variation tendency in the future of the landscape, and realize the sustainable utilizing of landscape resource finally

    景觀格局不僅體現著的、生物的和社會的各種生態過程在不同空間上相互作用的結果,同時又決定著各種環境因子在景觀空間上的分佈和組合,從而制約著各種生態過程,影響著景觀內能量流、物質流和物種流的變化。因此,通過研究景觀格局可以更好地理解生態學過程,通過分析景觀格局隨時間的變化可以反映景觀生態過程,揭示景觀演替的機制和規律,進而預測景觀的未來變化趨勢,最終實現資源的可持續利用。
  19. The mutation, contrast and heterogeneity of ecological interface between oasis and desert ecosystem increased. rare natural or non - regional mosaic of patch show obvious sensitivity to spatial scale, the change ratios of theirs area and perimeter are greater than large patch

    同時通過測敏感性檢驗,表明在變換中,稀少的或隱域性斑塊鑲嵌體對空間敏感性大,面積、周長等變化率大於大斑塊,隨干擾則合併成較大的斑塊,隨強烈干擾或隔離加強后最先消失。
  20. Lie in the yellow river way close nanjing east road, with international hotel being only several distance, all close at hand on people ' s square, the subway station, etc., can count as the top location of the sea market, traffic, the convenient degree of life is self - evident naturally

    位於黃河路近南京東路,與國際飯店僅幾百米距離,人民廣場,地鐵站等都近在咫,可以算上海市的頂級地段,交通,生活的便利程不言而喻。
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