次根 的英文怎麼說

中文拼音 [gēn]
次根 英文
n th root
  • : Ⅰ名詞1 (次序; 等第) order; sequence 2 [書面語] (出外遠行時停留的處所) stopping place on a jou...
  • : Ⅰ名詞1 (植物的營養器官) root (of a plant) 2 (比喻子孫後代) descendants; posterity 3 [數學] ...
  1. The paper firstly comment on the basis theory of earnings management, in which earnings management and accounting chouse was differentiated, and from contract theory and information economics analyzing its deep foundation, point out earnings management must be existed in market economy, then expatiating on earnings management characters qualities

    本文首先對盈餘管理的基本理論作出評述,其中對盈餘管理和會計造假作出了區分,並從契約理論和信息經濟學角度分析了盈餘管理存在的深層次根源,指出在市場經濟中一定的盈餘管理是必然存在的,然後對盈餘管理的特徵和性質進行了闡述。
  2. In other hand, the novel ev has no a differential gear, therefore, an electric differential system is needed. the manipulation performance of the novel ev with electric differential is analyzed by deeply research on vehicle dynamics performance. secondly, a new in - wheel driven control strategy is proposed

    在分析過程中,突出研究本文所設計的ev新結構給車輛操控性能帶來的影響和能夠得以改進、完善的技術空間;其據上述這兩方面的研究,以及雙輪獨立驅動系統的特點,本文提出了一種針對雙輪獨立驅動的驅動控制方案。
  3. Firstly, the connected end sets of the relay lines are got using the breadth first search algorithm and the connected relationship of wiring terms is got in the electrical circuit diagram according to different cad block structure of different element type. secondly, the appropriate specification of the relay element is chosen by using the equinoctial graph algorithm, and the panel layout diagram is generated automatically by the combining automatic layout and manual intervention. finally, the optimized path algorithm which passes each vertex in the completed non - directional graph once and only once is put forward, this algorithm and the prim minimum spanning tree algrotithm can generate the inner panel wiring diagram and terminal wiring diagram automatically

    首先,採用廣度優先搜索演算法查找電氣原理圖中的連通導線端點集,並據不同類型的繼電元件對應的cad圖塊結構的不同,得到電氣原理圖中元件接線端子之間的連接關系;其據二分圖匹配演算法為電氣原理圖中繼電元件選擇合適的型號和規格,並採用人工干預和自動布置相結合的方法完成屏面布置圖的自動生成;最後,提出了完全無向圖中經過每個頂點一且僅一的優化路徑演算法,利用該演算法和經過預處理的prim最小生成樹演算法自動生成屏內安裝接線圖和端子接線圖。
  4. Thirdly, according to the students " scores of the personality tests the author analyze the principal components, and the researching result are two factors : independence frontier spirit and business consciousness with cooperation

    據學生的各項非智力素質得分進行主成分分析,研究結果得到兩個公共因素:自主創新精神和合作創業意識。
  5. This part mainly consists of the land resource status of she county, the character of land market, and benefit distribution of land in the process of land expropriation and land remise

    據自己取得的調查數據,嚴格測算在土地徵用出讓過程中的土地收益在有關利益集團之間的分配比例。
  6. For two up and down jets plunging into a cushion pool, two factors of up depth and down depth of water cushion are first introduced actually, then the methods calculating the reasonable depth of cushion pool and the reasonable distance between up jet and down jet are introduced

    針對上、下雙股水舌入射水墊塘時水墊塘底板上的壓力變化規律,首次根據射流理論提出了上、下水墊深度的概念及其計算方法,並進而提出了計算水墊塘合理深度及水墊塘內水舌合理入水間距的方法。
  7. Ad620 - based cardiotach measurement system ( corresponding to the scheme mentioned above ) achieves good experimental results and is of the advantages of low cost and high performance

    據該方案設計的心跳速率檢測系統獲得了良好的實驗結果,表現出低成本、高性能的特性。
  8. All the steps of compensation reform in g software company is run after, the compensation system is redesigned according to g software company ' s actual conditions. at first, the problems of original compensation system in g software company is analyzed, especially the problems of the compensation for r & d employees is emphasized ; and then, a new compensation system with several compensation models mixed together is designed out which considering the inspiriting, inner justice and competition outside

    首先,本文通過對g軟體公司原有薪酬體系的分析,剖析g軟體公司薪酬體系存在的普遍問題,並重點研究了研發人員薪酬體系存在的問題;其據g軟體公司的戰略發展目標,運用定量分析與定性分析相結合的方法,逐步設計出一套以多種薪酬模式相結合的薪酬方案,該方案綜合考慮薪酬的激勵性、內部公平性與外部競爭性。
  9. Utilising dissolved gases analysis, a new insulation fault diagnosis method for power transformers is proposed. this method is based on the group grey relational grade analysis method. first, according to the fault type and grey reference sequence structure, some typical fault samples are divided into several sets of grey reference sequences. these sets are structured as one grey reference sequence group. secondly, according to a new calculation method of the grey relational coefficient, the individual relational coefficient and grade are computed. then according to the given calculation method for the group grey relation grade, the group grey relational grade is computed and the group grey relational grade matrix is structured. finally, according to the relational sequence, the insulation fault is identified for power transformers. the results of a large quantity of instant analyses show that the proposed method has higher diagnosis accuracy and reliability than the three - ratio method and the traditional grey relational method. it has good classified diagnosis ability and reliability

    基於變壓器油中溶解氣體分析,提出了一種基於群灰色關聯度分析的變壓器絕緣故障診斷新方法.首先據故障類型與灰色參考序列構造,選擇變壓器典型故障樣本構造多組參考序列,這些參考序列組構成一個灰色參考序列群.其次根據給出的新的關聯系數計算方法,計算個體關聯系數和關聯度.然後據給出的群灰色關聯度計算方法,計算群灰色關聯度和構造群灰色關聯度矩陣.最後據關聯序識別變壓器絕緣故障診斷.通過大量變壓器絕緣故障診斷實例分析,所提方法診斷準確性與可靠性優於三比值法和傳統的灰色關聯分析方法,具有較好的分類診斷能力和可靠性
  10. Then a topo arithmetic for 400v radiate distribution network is put forward base on practicality course, and put forward forward - back power flow algorithm for 400v distribution network

    次根據配電網路實際運行情況提出了適用於400伏輻射狀配電網路的拓撲演算法,並詳細介紹了用於400伏的前代回代潮流計算方法。
  11. Secondly, through systematic analysis of the grade - scale structure, functional structure and spatial structure of the urban and towns in tianshui city, the conclusion is drawn in the paper that the problems of urban and towns system is as follows : unreasonable structure, smaller scale and relatively less in number of urban and towns. then it offers the convinc ing proof of establishing a new urban and towns system. thirdly, based on the analysis above, the paper puts forward the corresponding countermeasures to enhance the development of the urban and towns system, including strengthening the function of tianshui city as a central city, reasonably developing small cities such as qin ' an county, gangu county and wushan county, enhancing the constructed level of critical villages and towns, developing ordinary villages and towns and harmony their development in the whole

    本文在對天水城鎮體系范圍確定的基礎上,以多種區域及城市發展理論為指導,首先對天水城鎮體系的歷史形成過程、區域基礎和經濟發展現狀進行了全面總結;其,系統分析了天水城鎮體系的等級規模結構,職能結構和空間結構,得出天水城鎮體系目前存在的問題是:結構不合理,城鎮規模小,數量少,從而為天水城鎮體系的構建提供依據;再據前文分析結果,提出了天水城鎮體系發展的對策:強化中心城市天水市的功能,合理發展縣級小城市,如秦安縣、甘谷縣、武山縣等;大力提高重點鄉鎮的建設水平,積極發展一般鄉鎮,並促使各級城鎮協調發展;最後本文提出了為落實天水城鎮體系發展的保障措施。
  12. With the material dynamic constitutive equation including damage and the effect of stain rate the predictable formula about ballistic limit velocity of fiber composite target. secondly based on the damage feature about ceramic / fiber composite target caused by impact load, analysis model about defense performance of ceramic / composite material target is formed and the predictable formula about ballistic limit velocity is also given. lastly using the reflection and projectile theory of stress wave the paper discusses the design of ceramic / composite material target, optimizes the design of double layer ceramic / composite targets, gains optimal coefficient under certain area density and discusses the variety relationship of area density and thickness with optimal coefficient u nder some ballistic limit velocity 3

    首先,分析了纖維類正交鋪層復合靶板在沖擊載荷作用下的損傷破壞機理,結合包含損傷和應變率效應的材料動態本構方程,建立了纖維復合材料板彈道極限速度的預測公式;其據陶瓷/纖維材料復合靶板在沖擊載荷下的破壞特點,建立了陶瓷/復合材料靶板抗彈性能分析模型,給出了彈道極限速度預測公式;最後,利用應力波反射和透射理論討論了陶瓷/復合材料靶板的設計問題,對雙層陶瓷復合靶板的優化設計進行了分析,給出了在一定面密度下的最佳優化系數,討論了一定彈道極限速度下的面密度和厚度隨優化系數的變化關系。
  13. So this paper tries to solve these problems through the following work : first, we select some index to valuate the close - end funds, including income, stability, risk in falling, stocks selecting ability and tuning ability, based on overseas funds valuation methods and domestic market condition ; second, we analyze the stability of all index and form two styles index, which are f and other bad stability index ; then, we form the valuation system, including two - layers index, which are p and factor score ; last, we use this system to analyze the close - end funds which came into existence before 2000 and get the final comparative result. the main intention of this paper is to create the system of valuating close - end funds in our country, which is comprehensive and objective. in my valuation system involving the period from 2000 to 2003, the funds as a whole performs inferior to the stock index

    首先,對國外理論界經典成型的、以及前沿的基金評價指標和評價方法進行了詳細的分析,並結合我國的基金市場狀況,選取了可以衡量基金收益、穩定性、下跌風險、股票選擇能力、時機選擇能力等量化指標;其據我國基金分析的需要,採用了諸如基金交易價格、換手率等二級市場表現指標;然後,對這些指標進行了時間延續性分析,檢測這些指標在運用到我國基金市場時能否有效預測基金未來表現,從而形成了兩類指標:時間延續性很好的s _ p和時間延續性不好的其它所有指標;再,在以上工作的基礎上形成了由兩個層面的指標構成的我國證券投資基金評價體系: s _ p和因子分析中綜合因子得分值;最後,選取了我國2000年1月1日前成立的23隻封閉式基金作為樣本,並同時採用上證a股與深成a股兩個基準組合進行了3年樣本期的實證分析,得出了最終的比較性評價結果。
  14. We present a calculation program in this paper, based on the physical optical theory ( po ) theary to predict bse and bses for a conical type of radome. the po theory is used to determine the ficticius currents electrical and magnetic on the inner face of the radome, which is illuminated directly by the radar antenna, and then use the transmission matrix mothod to determine the outer surface ficticion currents, the radiated from the antenna through radome is considered as the radiation field of these ficticion current

    本文提出了一種基於物理光學理論預測正圓錐天線罩瞄準誤差及瞄準誤差斜率的計算程序。首先,雷達天線照射到天線罩內壁,應用物理光學法求出內壁等效的電流和磁流,其據傳輸矩陣理論求出外壁等效電流和磁流,天線通過天線罩的遠區場即可認為是外壁等效電、磁流產生的場。
  15. With the development of automobile industry and road transportation , the traffic accidents happen every day in the world and become a serious society problem the vehicle collision accidents are over 2 / 3 times as much as all traffic accidents they cause a large amount of social infuence and serious economic loss therefore , it is urgent to study vehicle collision accidents comprehensively and systematically , and the research also is the academic foundation to analyze and deal with traffic accident it is difficult to authenticate car velocity after traffic accident to dig over locate witness is right way mechanics is avaid tool in this field it is important to establish math model and this is precondition to calculate vehicle velocity firstly on the basis of summarizing the research results , this paper deeply discusses the calculating model to analyze the instantaneous motion state in the vehicle collision, the interrelation among the every moving mechanics parameters in the every phase of the collision secondly , according to the collinear collision and two - dimension collision and the restitution coefficient , the paper estabishesthe post collision movement models it proves that these models are correct and valid thirdly , this paper try to research reconstruction of road traffic accident and put forward the method on it

    對交通事故的科學分析應是建立在正確的數學模型與計算機模擬技術基礎上的定量分析,其基本條件就是要有能正確描述事故過程中汽車狀態的數學模型,只有建立正確的數學模型,才能較準確地推定事故車輛的碰撞速度。所以建立正確地車輛碰撞模型和運動模型正是汽車事故再現的關鍵問題。本文首先在總結前人研究的基礎上,深入地研究汽車碰撞理論,分析了車對車碰撞作用瞬間狀態的計算模型及碰撞恢復系數與碰撞前、后速度的關系;其據交通事故中最普遍的一維和二維碰撞的不同情況,採用恢復系數和滑動摩擦系數等概念,分別建立了碰撞后車輛動力學模型;第三,對汽車碰撞事故再現進行了初步研究,確定了車對車碰撞事故模擬計算和反推計算方法,並給出相應的模擬程序流程圖。
  16. Secondly, calculation theory of construction for suspension bridge is presented under the ideal condition of dead load design. linetype change stiffness of cable and slip stiffness of supporting points are deduced based on segmental catenary theory. then numerical analysis method through sgkz2000 software are introduced in detail about calculating design linetype for suspension bridge, unstressed length of cable, erection linetype of cable and pre - displacement of saddle without loads, erection linetype of wire strands, the fixed position for erecting cable band and linetype of lifting stiffening girders

    據懸索橋恆載設計理想狀態建立了懸索橋施工計算原理;以分段懸鏈線索理論為基礎,推導了懸索的線形變化剛度和懸索支點的滑移剛度;介紹了懸索橋成橋設計線形計算、吊索無應力長度計算、空纜線形與預偏量計算、絲股架設線形計算、索夾安裝位置計算和加勁梁吊裝線形計算的具體方法、數值演算法及軟體sgkz2000的計算模塊的實現。
  17. A lawyer for detainees at guantanamo bay says the issue of whether they have the legal right to hearings in civilian courts is a fundamental test of the american justice system

    關塔納摩監獄被拘留者的一位律師稱,關鍵問題在於在民事法庭,是否他們有合法的聽訟權力,這是對美國司法體系的一次根本考驗。
  18. Second, based on reading radio frequency card module of em corporation, the design of a rfid system is given

    據em公司提供的讀頭晶元,設計研製了一種射頻識別系統。
  19. Secondly, according to things right theory, to realize land ownership of peasant, do not have the obstacle on law

    據物權理論,實現農民土地所有制,只是對農民土地所有權的重新確認,不存在法律上的障礙。
  20. In this thesis, some work has been done : fisrtly, based on the thorough investigation of the mechanism project, combining concept diagram, the literal description and the formula analysis together for programing motion of the robot ; secondly, according to soil mechanics principle and pressuremeter theories, the model which reflect the interaction force between robot and soil are founded ; thirdly, proceed the analysis and solution ; using virtual prototyping software - adams to optimize the mechanism model and analyze the mechanics ; furthermore compared the analysis calculation result of the above both side, we verify the possibility that the robot dig hole and move in soil ; finally, construction model is consummated based on the optimized result, the mechanism motion and the simulation animation of whole harmonious motion is fulfilled by three dimension simulation software - 3dmax

    論文的主要工作有:首先,在對機構方案進行了深入研究的基礎上,以概念圖標表示、文字描述和公式分析相結合的研究方法對機器人進行了運動規劃;其據土力學原理和旁壓理論建立了機器人在土質環境下的受力模型並進行了分析求解;然後,藉助于虛擬樣機軟體adams對機構模型進行優化和力學分析;除此之外,通過對上述兩方面分析計算結果的比較,驗證了該機器人在土質環境下拱洞和蠕動爬行的可行性;最後,在優化結果基礎上進一步完善了結構模型,通過三維模擬軟體3dmax實現了機構運動和整體協調運動動畫的模擬。
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