natural model 中文意思是什麼

natural model 解釋
自然模型
  • natural : adj 1 自然界的;關于自然界的。2 天然的;未開墾的;野生的。3 固有的 生來的 天賦的(opp acquired)...
  • model : n 1 模型,雛型;原型;設計圖;模範;(畫家、雕刻家的)模特兒;樣板。2 典型,模範。3 (女服裝店僱...
  1. The current chinese foundation design code gbj7 - 89 use limit equilibrium theoiy with elastic soil stress distribution to give out bearing capacity design value calculating fonnula and use elastic soil model to evaluate foundation settlement. according to the above theories, code gbj7 - 89 gives the correlative terms. but these do not accord with the practical mechanism of loaded soil below the shallow foundation and the elastoplastic property of natural soil so defects exist

    我國現行規范gbj7 - 89將這兩者分開考慮,其計算地基承載力設計值的公式是根據彈性地基中應力分佈及土的極限平衡狀態理論為依據而得出的,求地基的沉降變形時則視土體為彈性,這些理論對地基及土的假設與淺基礎地基的實際工作狀態及天然土體的非線性、彈塑性存在一定的偏差。
  2. The paper describes isn as a nonlinear dynamic complexity system, and with self - organization characteristics. next, the paper constructs the structural model of ecological industrial chain by imitating the producer, consumer and decomposer in natural ecological system, and analyses the resources flow from the viewpoint of value chain. based on the theory of byproduct exchange, the paper put forwards four kinds of operation model of isn, and analyze them hi detail by using of the case study

    模仿自然生態系統中的生產者、消費者和分解者構建生態產業鏈結構模型,從價值鏈角度分析了其中的資源流動;提出了生態產業鏈活性因子的概念,並運用這一概念對生態產業鏈的形成機理進行分析;基於副產品交換的特點,提出四種工業共生網路運作模式:依託型共生網路,平等型共生網路,嵌套型共生網路和虛擬型共生網路;通過對工業共生網路中資源流動的分析,揭示了副產品交換規律。
  3. With thousands years of diastrophism and human society ' s development, the natural environment of the upper - part of the yellow river has conceived its distinguished zoology and resource structure, therefore forms its special geographic upper - part - yellow river region ' s economy and society development model

    黃河上游的自然環境隨著千百年的地殼運動以及人類繁衍,孕育出了獨特的生態及資源結構,從而也形成了具有區域特色的黃河上游典型地區經濟和社會發展模式。
  4. Basing the theory of finite elemental modeling and ansys software, this text build the entitative model and elemental model of the main parts and carry the modal analysis. and we get the natural frequency and shaking type of all steps. and then we compare the analysis results with the results of experimental modal analysis, testing the correctness of the elemental model

    本文根據有限元建模理論,並利用ansys有限元分析軟體,分別對螺桿泵地面驅動系統的上述主要部件進行實體建模、有限元建模以及模態分析,確定這些部件的各階固有頻率和振型。
  5. The dissertatio n constructs the index system, introduces the coefficients of development, coordination, fairness, and the coefficient of sd, which is composed by the former three and can reflects the sd overall strength of watershed, brings forward the quantative criteria of in order that the research of wrcc is based on the good watershed ecology and environment, the dissertation, according to the ecological appropriate theory, builds the logarithm normal distribution model about the relation between the growth of natural vegetation and the depth of groundwater ; based on this relation model, proposes a quantitative method of ecological water requirement ( ewr ) of natural vegetation in arid area, which utilizes the results of rs technique and the spot testing data of vegetative physiology demand

    針對流域特點建立了基於水資源的流域可持續發展評價指標體系,引入發展系數、協調系數、公平系數,以及由其構成的衡量水資源支撐社會可持續發展綜合水平與能力的可持續發展系數,提出了可持續發展的定量判別方法。為保證在良好生態的前提下進行水資源承載能力研究,論文根據生態適宜性理論,建立了乾旱區典型天然植物生長與主要環境因子的偏態單峰對數正態分佈模型。基於此關系模型,利用遙感技術成果以及植物生理需水的現場實驗數據,提出了乾旱區天然植被生態需水量計算方法。
  6. Based on an analysis of the history and present status of the farmland - pastoral ecotone in the northern part of china, a new point of view was proposed in this paper for the construction of eco - environmental systems, namely, the industrial structure has to be modified so as to make a functional integration between different parts of the whole system : to give priority to a combination between cultivated grassland and in - shed feeding of domestic animals, and at the same time, to employ a new model of animal husbandry so that the degradated natural grassland can be recovered ; to develop a new type of processing industry for agricultural and forestal products so as to create a pluralistic enterprise structure ; to make a better use of water resources by taking advantages of the abundant resources of energy and minerals, and to restrain the expansion of industries of high environmental cost ; to employ techniques of integration management and restoration ecology, and to speed up the process of woodland and grassland recovery ; to make a thorough plan for arrangements of hills, waters, roads, farmlands, forests and pastures in order to gain an integration at landscape level

    摘要在簡要分析中國北方農牧交錯帶形成歷史和現狀的基礎上,提出了北方地區生態環境建設必須從產業結構調整出發、進行系統功能整合的思路:把人工飼草業舍飼畜牧業擺在農牧交錯帶經濟發展的優先位置,推行新型畜牧業經營管理模式,促進天然草場改良復壯;發展「綠色」農林牧產品精細加工業,建立多元化產業結構;發揮能源和礦產資源優勢,合理利用水資源,限制以破壞環境為代價的產業的發展;推廣區域綜合治理與生態恢復技術,加大退耕還林還草的力度;山、水、路、農、林、牧統一規劃,實現生態系統在景觀水平上的整合。
  7. Under some natural weak assumptions that do not require the technological coefficients matrix is indecomposable, the fact that the dynamic input - output system is not asymptotically stable and the closed dynamic input - output model exists a balanced growth solution is proved

    利用矩陣特徵值理論和廣義系統理論,在相對弱的條件下(不需要直接消耗系數矩陣不可分解) ,證明了動態投入產出系統不是漸近穩定的。
  8. Different algorithms were compared in the numerical simulation and model experiment of concrete velocity inversion the results showed that, compared with the least - square solutions and the damped least - square solutions, the damped and natural weighted least - square solutions reflected the inner defections of the tested object more reliably and exactly due to the usage of correct priori information, which benefited the suppression of noises and made the iterations of inverse stable and convergent

    結果表明,相對于最小二乘法和阻尼最小二乘法,基於自然權的加權阻尼最小二乘演算法,由於利用了正確的先驗信息,不但使反演過程收斂,而且具有數值穩定、抗噪能力強的優點,其成像結果能真實有效地反映對象內部缺陷,因此更適用於混凝土的超聲波速度反演。
  9. For the purpose of exploiting the affluent resource of traditional chinese medicines, rat pheochromocytoma pc 12 cells were used as a model to screen the neuroactive components from natural products. most of all, the effect of it on inducing the differentiation of pc 12 cells and / or execute the neuroprotective effect challenged by serum - deprivation and oxidative pressure, and its mechanism were studied in this paper

    本文以利用我國豐富的天然藥物資源為目的,用大鼠嗜鉻神經瘤細胞pc12作為模型,篩選能模擬ngf的功能誘導pc12細胞分化、對神經細胞有一定保護作用的天然藥物,並對其作用機制進行初步探索。
  10. Here is not pejorative because millennia of philosophy of language have shown how hard or even impossible it is to come up with a truly rigorous model of natural language

    並非輕視,因為數千年來的語言哲學表明要建立自然語言真正嚴格意義上的模型是很難的(甚至是不可能的) 。
  11. Combined with the topographic and physiognomic maps of natural terrains, a 3 - d model which generates the geometrical structures of complex terrain, has been developed

    摘要結合自然地表的地形地貌圖,建立了復雜自然地表三維幾何結構生成模型。
  12. Finally, with the help of the program written in asp language, the 3d model of denture, added up with of the human faces, was compounded to provide the preview, in the ways of both fixed and motion pictures. [ results ] 3d digital model of human natural teeth and the corresponding rpd components were successfully developed. with the data base governing the 3d digital model files set up, the program of application written in asp languages was compiled and tested to run without errors, completing the initial foundation of 3d - preview system for clinical and educational practice in prosthodontics

    平臺開發是利用三維編輯軟體3dsmax製作了正常天然牙列和口腔修復學中整鑄可摘局部義齒的各組成部件、精密附著體及其他的一些相關三維模型,建立了基於sql - server的數據庫管理系統,以供方便地調用各種三維模型,合成牙列和修復義齒三維模型,再引入人頭模型引擎,通過三維模型製作多角度平面渲染圖或四川大學碩士學位論文三維動畫,作為素材上傳數據庫供二級用戶調用。
  13. ( we call it “ monopoly model ” ). this “ monopoly model ” neglects the ecological and public nature as well as the rareness of the resources ; as a result, it leads to the inefficiency, ineffectiveness and waste of the natural resources, interrupting the implementation of the sustainable development strategy

    這種制度模式忽視了自然資源的生態、稀缺與公共屬性,忽視了市場機制與公眾參與對自然資源開發、利用與生態環境保護的重要意義,導致了自然資源利用低效率、無效率,浪費嚴重,嚴重威脅著我國可持續發展戰略的實施。
  14. The thesis lists five natures of the natural resources, on the base of which it discusses the merits and defects of the monopoly model and binary model, then presents the necessity of constructing a “ trisect model ” of real right system of natural resources. by making the comparison of nature and the objects between the civil real right system and the real right system of natural resources, this article believes that the real right system of natural resources, the need to implement the sustainable development strategy, is a new independent social right different from the civil real right system

    本文深入的分析了自然資源的五大特徵(屬性) ,並以此為基點批判「一元」模式和「二元」模式的弊端與缺陷,提出構建「三元」模式自然資源物權制度的必然性;通過民事物權與自然資源物權在性質與客體兩方面的比較,認為自然資源物權是獨立於民事物權的新型權利,是環境危機背景下的可持續發展戰略的必然要求,屬于社會權,其制度構建應有別于作為私權代表的民事物權。
  15. ( 2 ) according to the forming model of the deep pull cracks, they can be divided into three classes pulled cracks -, pressed cracks and sheared cracks. ( 3 ) based on the two - dimensional and three - dimensional finite element methods. the following results can be affirmed : in the slope excavating process, the base surface will rebound in the direction of the excavating surface ' s excerior normal. the maximal displacements of the left and right bank are + 3. 6cm and + 2. 4cm ; the arch abutment will rebound in the direction of the river valley, the maximal displacements of the two bank are + 3. 5cm and + 2. 2cm ; the upstream and downstream surface will rebound in the direction of the normal direction. the maximal displacements are + 2. 1cm and + 1. 7cm. ( 4 ) the natural slope is stable

    ( 3 )通過二維及三維有限元分析得知,左右岸拱肩槽邊坡在開挖過程中,開挖底面主要表現為朝開挖面外法線方向發生回彈,左右岸最大位移量分別為+ 3 . 6cm 、 + 2 . 4cm ;拱端面主要表現為向河谷方向發生側向回彈,左右岸最大位移量分別為+ 3 . 5cm 、 + 2 . 2cm ;上下游坡面主要表現為向臨空方向的回彈,左右岸最大位移量分別為+ 2 . 1cm 、 + 1 . 7cm ;開挖使巖體產生由卸荷回彈導致的傾倒拉裂現象。
  16. Consequently, on the basis of non - winkler foundation model, a finite - element method that utilizes foundation flexibility matrix into iterative calculation is proposed in this paper originated from the item " the optimal design theory and research of pile capping beam " sponsored by natural science fund of hunan province, which the continuity of soil mass can be accounted for under various boundary conditions, different loadings and irregular beam characters

    本文結合湖南省自然科學基金項目「樁基承臺梁優化設計理論與方法研究」 ,針對非文克爾地基(半空間、線性變形層或單向壓縮層地基模型等)上的樁基承臺梁,提出一種利用地基柔度矩陣來進行迭代的有限單元法,可充分考慮梁下土體的連續性,並對基礎與土體脫開、承臺梁截面變化、梁體邊界條件復雜、上部荷載類型變化以及梁下基樁承載力差異等情況進行分析計算。
  17. In xenopus embryonic extracts camp concentration and pka activity also oscillations accompany with the cell cycle, low in mitosis and increased during m / g1 transition, keep high until next mitosis, and the mechanism concern with the cdc25 phosphorylation state and cyclin b concentration. mouse fertilized egg is the most simple and natural model for cell cycle that near to human, but little is know about pka on mpf also pka on mitosis

    通過對非洲爪贍胚胎細胞周期的研究發現jka活性也隨細胞周期變化而波動,在m期出現時pka活性下降,而m間期轉換時pka活性達最大值,一直維持高值直到下一個m期出現,其對mpf活性調節與cdc25磷酸化狀態及周期素b表達有關。
  18. The magnetic force magic club toy, may the raise eye coordination, the spatial thought ability, to the logical relations, the three dimensional spatial structure understanding, also may apply in mathematics, the physical model, the geometry pattern, the fine arts modelling, the building model, the natural model, is the study, the work primary assistant

    磁力魔棒玩具,可以培養手眼協調、空間思維能力,對邏輯關系、三維立體結構的認識,也可應用於數學、物理模型、幾何圖型、美術造型、建築模型、自然模型,是學習、工作的得力助手。
  19. Building arts of badaguan ( eight - passes ) of qingdao form a successful natural model with a peculiar characteristics under a special historical environment in qingdao

    摘要青島八大關的建築藝術是青島城市特殊歷史環境下的特有產物,是將建築納人自然的成功典範。
  20. But despite their low temperatures, these quasisoft objects emitted x - ray signals that are more powerful than expected from simple neutron stars or stellar black holes. instead, the natural model for quasisoft x - ray sources is the one involving an intermediate - mass black hole

    此外,這種類軟天體溫度雖然低,但它們所發出的射線訊號較中子星和恆星型黑洞的為強,我們相信它們和中型黑洞有著密切的關系。
分享友人